From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.4 commit in: /
Date: Thu, 17 Oct 2019 22:18:17 +0000 (UTC) [thread overview]
Message-ID: <1571350674.71ec30f97ea667e987e0de30f7592909cfa96685.mpagano@gentoo> (raw)
commit: 71ec30f97ea667e987e0de30f7592909cfa96685
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Oct 17 22:17:54 2019 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Oct 17 22:17:54 2019 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=71ec30f9
Linux patch 4.4.197
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1196_linux-4.4.197.patch | 3532 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 3536 insertions(+)
diff --git a/0000_README b/0000_README
index 1b517d0..e5ffd05 100644
--- a/0000_README
+++ b/0000_README
@@ -827,6 +827,10 @@ Patch: 1195_linux-4.4.196.patch
From: http://www.kernel.org
Desc: Linux 4.4.196
+Patch: 1196_linux-4.4.197.patch
+From: http://www.kernel.org
+Desc: Linux 4.4.197
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1196_linux-4.4.197.patch b/1196_linux-4.4.197.patch
new file mode 100644
index 0000000..17fb3bd
--- /dev/null
+++ b/1196_linux-4.4.197.patch
@@ -0,0 +1,3532 @@
+diff --git a/Documentation/usb/rio.txt b/Documentation/usb/rio.txt
+deleted file mode 100644
+index aee715af7db7..000000000000
+--- a/Documentation/usb/rio.txt
++++ /dev/null
+@@ -1,138 +0,0 @@
+-Copyright (C) 1999, 2000 Bruce Tenison
+-Portions Copyright (C) 1999, 2000 David Nelson
+-Thanks to David Nelson for guidance and the usage of the scanner.txt
+-and scanner.c files to model our driver and this informative file.
+-
+-Mar. 2, 2000
+-
+-CHANGES
+-
+-- Initial Revision
+-
+-
+-OVERVIEW
+-
+-This README will address issues regarding how to configure the kernel
+-to access a RIO 500 mp3 player.
+-Before I explain how to use this to access the Rio500 please be warned:
+-
+-W A R N I N G:
+---------------
+-
+-Please note that this software is still under development. The authors
+-are in no way responsible for any damage that may occur, no matter how
+-inconsequential.
+-
+-It seems that the Rio has a problem when sending .mp3 with low batteries.
+-I suggest when the batteries are low and you want to transfer stuff that you
+-replace it with a fresh one. In my case, what happened is I lost two 16kb
+-blocks (they are no longer usable to store information to it). But I don't
+-know if that's normal or not; it could simply be a problem with the flash
+-memory.
+-
+-In an extreme case, I left my Rio playing overnight and the batteries wore
+-down to nothing and appear to have corrupted the flash memory. My RIO
+-needed to be replaced as a result. Diamond tech support is aware of the
+-problem. Do NOT allow your batteries to wear down to nothing before
+-changing them. It appears RIO 500 firmware does not handle low battery
+-power well at all.
+-
+-On systems with OHCI controllers, the kernel OHCI code appears to have
+-power on problems with some chipsets. If you are having problems
+-connecting to your RIO 500, try turning it on first and then plugging it
+-into the USB cable.
+-
+-Contact information:
+---------------------
+-
+- The main page for the project is hosted at sourceforge.net in the following
+- URL: <http://rio500.sourceforge.net>. You can also go to the project's
+- sourceforge home page at: <http://sourceforge.net/projects/rio500/>.
+- There is also a mailing list: rio500-users@lists.sourceforge.net
+-
+-Authors:
+--------
+-
+-Most of the code was written by Cesar Miquel <miquel@df.uba.ar>. Keith
+-Clayton <kclayton@jps.net> is incharge of the PPC port and making sure
+-things work there. Bruce Tenison <btenison@dibbs.net> is adding support
+-for .fon files and also does testing. The program will mostly sure be
+-re-written and Pete Ikusz along with the rest will re-design it. I would
+-also like to thank Tri Nguyen <tmn_3022000@hotmail.com> who provided use
+-with some important information regarding the communication with the Rio.
+-
+-ADDITIONAL INFORMATION and Userspace tools
+-
+-http://rio500.sourceforge.net/
+-
+-
+-REQUIREMENTS
+-
+-A host with a USB port. Ideally, either a UHCI (Intel) or OHCI
+-(Compaq and others) hardware port should work.
+-
+-A Linux development kernel (2.3.x) with USB support enabled or a
+-backported version to linux-2.2.x. See http://www.linux-usb.org for
+-more information on accomplishing this.
+-
+-A Linux kernel with RIO 500 support enabled.
+-
+-'lspci' which is only needed to determine the type of USB hardware
+-available in your machine.
+-
+-CONFIGURATION
+-
+-Using `lspci -v`, determine the type of USB hardware available.
+-
+- If you see something like:
+-
+- USB Controller: ......
+- Flags: .....
+- I/O ports at ....
+-
+- Then you have a UHCI based controller.
+-
+- If you see something like:
+-
+- USB Controller: .....
+- Flags: ....
+- Memory at .....
+-
+- Then you have a OHCI based controller.
+-
+-Using `make menuconfig` or your preferred method for configuring the
+-kernel, select 'Support for USB', 'OHCI/UHCI' depending on your
+-hardware (determined from the steps above), 'USB Diamond Rio500 support', and
+-'Preliminary USB device filesystem'. Compile and install the modules
+-(you may need to execute `depmod -a` to update the module
+-dependencies).
+-
+-Add a device for the USB rio500:
+- `mknod /dev/usb/rio500 c 180 64`
+-
+-Set appropriate permissions for /dev/usb/rio500 (don't forget about
+-group and world permissions). Both read and write permissions are
+-required for proper operation.
+-
+-Load the appropriate modules (if compiled as modules):
+-
+- OHCI:
+- modprobe usbcore
+- modprobe usb-ohci
+- modprobe rio500
+-
+- UHCI:
+- modprobe usbcore
+- modprobe usb-uhci (or uhci)
+- modprobe rio500
+-
+-That's it. The Rio500 Utils at: http://rio500.sourceforge.net should
+-be able to access the rio500.
+-
+-BUGS
+-
+-If you encounter any problems feel free to drop me an email.
+-
+-Bruce Tenison
+-btenison@dibbs.net
+-
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 20a31b357929..e1a15f7507fa 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -11100,13 +11100,6 @@ W: http://www.linux-usb.org/usbnet
+ S: Maintained
+ F: drivers/net/usb/dm9601.c
+
+-USB DIAMOND RIO500 DRIVER
+-M: Cesar Miquel <miquel@df.uba.ar>
+-L: rio500-users@lists.sourceforge.net
+-W: http://rio500.sourceforge.net
+-S: Maintained
+-F: drivers/usb/misc/rio500*
+-
+ USB EHCI DRIVER
+ M: Alan Stern <stern@rowland.harvard.edu>
+ L: linux-usb@vger.kernel.org
+diff --git a/Makefile b/Makefile
+index 9eaf50527883..5c150d32cae7 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 196
++SUBLEVEL = 197
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+
+diff --git a/arch/arm/configs/badge4_defconfig b/arch/arm/configs/badge4_defconfig
+index d59009878312..067d73e3b28b 100644
+--- a/arch/arm/configs/badge4_defconfig
++++ b/arch/arm/configs/badge4_defconfig
+@@ -97,7 +97,6 @@ CONFIG_USB_SERIAL_PL2303=m
+ CONFIG_USB_SERIAL_CYBERJACK=m
+ CONFIG_USB_SERIAL_XIRCOM=m
+ CONFIG_USB_SERIAL_OMNINET=m
+-CONFIG_USB_RIO500=m
+ CONFIG_EXT2_FS=m
+ CONFIG_EXT3_FS=m
+ CONFIG_MSDOS_FS=y
+diff --git a/arch/arm/configs/corgi_defconfig b/arch/arm/configs/corgi_defconfig
+index c1470a00f55a..031d9d3549b9 100644
+--- a/arch/arm/configs/corgi_defconfig
++++ b/arch/arm/configs/corgi_defconfig
+@@ -207,7 +207,6 @@ CONFIG_USB_SERIAL_XIRCOM=m
+ CONFIG_USB_SERIAL_OMNINET=m
+ CONFIG_USB_EMI62=m
+ CONFIG_USB_EMI26=m
+-CONFIG_USB_RIO500=m
+ CONFIG_USB_LEGOTOWER=m
+ CONFIG_USB_LCD=m
+ CONFIG_USB_LED=m
+diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
+index 01116ee1284b..a199b0e1a6ea 100644
+--- a/arch/arm/configs/s3c2410_defconfig
++++ b/arch/arm/configs/s3c2410_defconfig
+@@ -354,7 +354,6 @@ CONFIG_USB_EMI62=m
+ CONFIG_USB_EMI26=m
+ CONFIG_USB_ADUTUX=m
+ CONFIG_USB_SEVSEG=m
+-CONFIG_USB_RIO500=m
+ CONFIG_USB_LEGOTOWER=m
+ CONFIG_USB_LCD=m
+ CONFIG_USB_LED=m
+diff --git a/arch/arm/configs/spitz_defconfig b/arch/arm/configs/spitz_defconfig
+index a1ede1966baf..7d9aa284cb6f 100644
+--- a/arch/arm/configs/spitz_defconfig
++++ b/arch/arm/configs/spitz_defconfig
+@@ -202,7 +202,6 @@ CONFIG_USB_SERIAL_XIRCOM=m
+ CONFIG_USB_SERIAL_OMNINET=m
+ CONFIG_USB_EMI62=m
+ CONFIG_USB_EMI26=m
+-CONFIG_USB_RIO500=m
+ CONFIG_USB_LEGOTOWER=m
+ CONFIG_USB_LCD=m
+ CONFIG_USB_LED=m
+diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
+index 0a66f8241f18..518eaa63e633 100644
+--- a/arch/arm64/include/asm/cpufeature.h
++++ b/arch/arm64/include/asm/cpufeature.h
+@@ -88,9 +88,10 @@ struct arm64_cpu_capabilities {
+
+ struct { /* Feature register checking */
+ u32 sys_reg;
+- int field_pos;
+- int min_field_value;
+- int hwcap_type;
++ u8 field_pos;
++ u8 min_field_value;
++ u8 hwcap_type;
++ bool sign;
+ unsigned long hwcap;
+ };
+ };
+@@ -120,15 +121,15 @@ static inline void cpus_set_cap(unsigned int num)
+ }
+
+ static inline int __attribute_const__
+-cpuid_feature_extract_field_width(u64 features, int field, int width)
++cpuid_feature_extract_signed_field_width(u64 features, int field, int width)
+ {
+ return (s64)(features << (64 - width - field)) >> (64 - width);
+ }
+
+ static inline int __attribute_const__
+-cpuid_feature_extract_field(u64 features, int field)
++cpuid_feature_extract_signed_field(u64 features, int field)
+ {
+- return cpuid_feature_extract_field_width(features, field, 4);
++ return cpuid_feature_extract_signed_field_width(features, field, 4);
+ }
+
+ static inline unsigned int __attribute_const__
+@@ -148,17 +149,23 @@ static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp)
+ return (u64)GENMASK(ftrp->shift + ftrp->width - 1, ftrp->shift);
+ }
+
++static inline int __attribute_const__
++cpuid_feature_extract_field(u64 features, int field, bool sign)
++{
++ return (sign) ?
++ cpuid_feature_extract_signed_field(features, field) :
++ cpuid_feature_extract_unsigned_field(features, field);
++}
++
+ static inline s64 arm64_ftr_value(struct arm64_ftr_bits *ftrp, u64 val)
+ {
+- return ftrp->sign ?
+- cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width) :
+- cpuid_feature_extract_unsigned_field_width(val, ftrp->shift, ftrp->width);
++ return (s64)cpuid_feature_extract_field(val, ftrp->shift, ftrp->sign);
+ }
+
+ static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0)
+ {
+- return cpuid_feature_extract_field(mmfr0, ID_AA64MMFR0_BIGENDEL_SHIFT) == 0x1 ||
+- cpuid_feature_extract_field(mmfr0, ID_AA64MMFR0_BIGENDEL0_SHIFT) == 0x1;
++ return cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_BIGENDEL_SHIFT) == 0x1 ||
++ cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_BIGENDEL0_SHIFT) == 0x1;
+ }
+
+ void __init setup_cpu_features(void);
+diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
+index 062484d34450..a0118a07a4a5 100644
+--- a/arch/arm64/kernel/cpufeature.c
++++ b/arch/arm64/kernel/cpufeature.c
+@@ -600,7 +600,7 @@ u64 read_system_reg(u32 id)
+ static bool
+ feature_matches(u64 reg, const struct arm64_cpu_capabilities *entry)
+ {
+- int val = cpuid_feature_extract_field(reg, entry->field_pos);
++ int val = cpuid_feature_extract_field(reg, entry->field_pos, entry->sign);
+
+ return val >= entry->min_field_value;
+ }
+@@ -636,6 +636,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
+ .matches = has_useable_gicv3_cpuif,
+ .sys_reg = SYS_ID_AA64PFR0_EL1,
+ .field_pos = ID_AA64PFR0_GIC_SHIFT,
++ .sign = FTR_UNSIGNED,
+ .min_field_value = 1,
+ },
+ #ifdef CONFIG_ARM64_PAN
+@@ -645,6 +646,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
+ .matches = has_cpuid_feature,
+ .sys_reg = SYS_ID_AA64MMFR1_EL1,
+ .field_pos = ID_AA64MMFR1_PAN_SHIFT,
++ .sign = FTR_UNSIGNED,
+ .min_field_value = 1,
+ .enable = cpu_enable_pan,
+ },
+@@ -656,6 +658,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
+ .matches = has_cpuid_feature,
+ .sys_reg = SYS_ID_AA64ISAR0_EL1,
+ .field_pos = ID_AA64ISAR0_ATOMICS_SHIFT,
++ .sign = FTR_UNSIGNED,
+ .min_field_value = 2,
+ },
+ #endif /* CONFIG_AS_LSE && CONFIG_ARM64_LSE_ATOMICS */
+@@ -665,37 +668,39 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
+ .matches = has_cpuid_feature,
+ .sys_reg = SYS_ID_AA64PFR0_EL1,
+ .field_pos = ID_AA64PFR0_EL0_SHIFT,
++ .sign = FTR_UNSIGNED,
+ .min_field_value = ID_AA64PFR0_EL0_32BIT_64BIT,
+ },
+ {},
+ };
+
+-#define HWCAP_CAP(reg, field, min_value, type, cap) \
++#define HWCAP_CAP(reg, field, s, min_value, type, cap) \
+ { \
+ .desc = #cap, \
+ .matches = has_cpuid_feature, \
+ .sys_reg = reg, \
+ .field_pos = field, \
++ .sign = s, \
+ .min_field_value = min_value, \
+ .hwcap_type = type, \
+ .hwcap = cap, \
+ }
+
+ static const struct arm64_cpu_capabilities arm64_hwcaps[] = {
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, 2, CAP_HWCAP, HWCAP_PMULL),
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, 1, CAP_HWCAP, HWCAP_AES),
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA1_SHIFT, 1, CAP_HWCAP, HWCAP_SHA1),
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA2_SHIFT, 1, CAP_HWCAP, HWCAP_SHA2),
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_CRC32_SHIFT, 1, CAP_HWCAP, HWCAP_CRC32),
+- HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_ATOMICS_SHIFT, 2, CAP_HWCAP, HWCAP_ATOMICS),
+- HWCAP_CAP(SYS_ID_AA64PFR0_EL1, ID_AA64PFR0_FP_SHIFT, 0, CAP_HWCAP, HWCAP_FP),
+- HWCAP_CAP(SYS_ID_AA64PFR0_EL1, ID_AA64PFR0_ASIMD_SHIFT, 0, CAP_HWCAP, HWCAP_ASIMD),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, FTR_UNSIGNED, 2, CAP_HWCAP, HWCAP_PMULL),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_AES_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_AES),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA1_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_SHA1),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_SHA2_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_SHA2),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_CRC32_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, HWCAP_CRC32),
++ HWCAP_CAP(SYS_ID_AA64ISAR0_EL1, ID_AA64ISAR0_ATOMICS_SHIFT, FTR_UNSIGNED, 2, CAP_HWCAP, HWCAP_ATOMICS),
++ HWCAP_CAP(SYS_ID_AA64PFR0_EL1, ID_AA64PFR0_FP_SHIFT, FTR_SIGNED, 0, CAP_HWCAP, HWCAP_FP),
++ HWCAP_CAP(SYS_ID_AA64PFR0_EL1, ID_AA64PFR0_ASIMD_SHIFT, FTR_SIGNED, 0, CAP_HWCAP, HWCAP_ASIMD),
+ #ifdef CONFIG_COMPAT
+- HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, 2, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_PMULL),
+- HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_AES),
+- HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA1_SHIFT, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA1),
+- HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA2_SHIFT, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA2),
+- HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_CRC32_SHIFT, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_CRC32),
++ HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_PMULL),
++ HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_AES),
++ HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA1_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA1),
++ HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA2_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA2),
++ HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_CRC32_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_CRC32),
+ #endif
+ {},
+ };
+diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
+index c8875b64be90..8e7675e5ce4a 100644
+--- a/arch/arm64/kernel/debug-monitors.c
++++ b/arch/arm64/kernel/debug-monitors.c
+@@ -34,7 +34,7 @@
+ /* Determine debug architecture. */
+ u8 debug_monitors_arch(void)
+ {
+- return cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
++ return cpuid_feature_extract_unsigned_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
+ ID_AA64DFR0_DEBUGVER_SHIFT);
+ }
+
+diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
+index c2489f62c4fb..0a587e7b9b6e 100644
+--- a/arch/arm64/kvm/sys_regs.c
++++ b/arch/arm64/kvm/sys_regs.c
+@@ -687,7 +687,7 @@ static bool trap_dbgidr(struct kvm_vcpu *vcpu,
+ } else {
+ u64 dfr = read_system_reg(SYS_ID_AA64DFR0_EL1);
+ u64 pfr = read_system_reg(SYS_ID_AA64PFR0_EL1);
+- u32 el3 = !!cpuid_feature_extract_field(pfr, ID_AA64PFR0_EL3_SHIFT);
++ u32 el3 = !!cpuid_feature_extract_unsigned_field(pfr, ID_AA64PFR0_EL3_SHIFT);
+
+ p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
+ (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
+diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
+index e87f53ff5f58..5c8759cd66f1 100644
+--- a/arch/arm64/mm/context.c
++++ b/arch/arm64/mm/context.c
+@@ -187,7 +187,8 @@ switch_mm_fastpath:
+
+ static int asids_init(void)
+ {
+- int fld = cpuid_feature_extract_field(read_cpuid(ID_AA64MMFR0_EL1), 4);
++ int fld = cpuid_feature_extract_unsigned_field(read_cpuid(ID_AA64MMFR0_EL1),
++ ID_AA64MMFR0_ASID_SHIFT);
+
+ switch (fld) {
+ default:
+diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
+index 9b6926d6bb32..6ac662afd5c1 100644
+--- a/arch/mips/configs/mtx1_defconfig
++++ b/arch/mips/configs/mtx1_defconfig
+@@ -638,7 +638,6 @@ CONFIG_USB_SERIAL_OMNINET=m
+ CONFIG_USB_EMI62=m
+ CONFIG_USB_EMI26=m
+ CONFIG_USB_ADUTUX=m
+-CONFIG_USB_RIO500=m
+ CONFIG_USB_LEGOTOWER=m
+ CONFIG_USB_LCD=m
+ CONFIG_USB_LED=m
+diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
+index db029f4ff759..4acaa3fb4818 100644
+--- a/arch/mips/configs/rm200_defconfig
++++ b/arch/mips/configs/rm200_defconfig
+@@ -351,7 +351,6 @@ CONFIG_USB_SERIAL_SAFE_PADDED=y
+ CONFIG_USB_SERIAL_CYBERJACK=m
+ CONFIG_USB_SERIAL_XIRCOM=m
+ CONFIG_USB_SERIAL_OMNINET=m
+-CONFIG_USB_RIO500=m
+ CONFIG_USB_LEGOTOWER=m
+ CONFIG_USB_LCD=m
+ CONFIG_USB_LED=m
+diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
+index b40606051efe..d3787618315f 100644
+--- a/arch/powerpc/platforms/powernv/opal.c
++++ b/arch/powerpc/platforms/powernv/opal.c
+@@ -580,7 +580,10 @@ static ssize_t symbol_map_read(struct file *fp, struct kobject *kobj,
+ bin_attr->size);
+ }
+
+-static BIN_ATTR_RO(symbol_map, 0);
++static struct bin_attribute symbol_map_attr = {
++ .attr = {.name = "symbol_map", .mode = 0400},
++ .read = symbol_map_read
++};
+
+ static void opal_export_symmap(void)
+ {
+@@ -597,10 +600,10 @@ static void opal_export_symmap(void)
+ return;
+
+ /* Setup attributes */
+- bin_attr_symbol_map.private = __va(be64_to_cpu(syms[0]));
+- bin_attr_symbol_map.size = be64_to_cpu(syms[1]);
++ symbol_map_attr.private = __va(be64_to_cpu(syms[0]));
++ symbol_map_attr.size = be64_to_cpu(syms[1]);
+
+- rc = sysfs_create_bin_file(opal_kobj, &bin_attr_symbol_map);
++ rc = sysfs_create_bin_file(opal_kobj, &symbol_map_attr);
+ if (rc)
+ pr_warn("Error %d creating OPAL symbols file\n", rc);
+ }
+diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
+index 40b8102fdadb..ff95ddd031d1 100644
+--- a/arch/s390/kernel/topology.c
++++ b/arch/s390/kernel/topology.c
+@@ -291,7 +291,8 @@ int arch_update_cpu_topology(void)
+ topology_update_polarization_simple();
+ for_each_online_cpu(cpu) {
+ dev = get_cpu_device(cpu);
+- kobject_uevent(&dev->kobj, KOBJ_CHANGE);
++ if (dev)
++ kobject_uevent(&dev->kobj, KOBJ_CHANGE);
+ }
+ return rc;
+ }
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
+index 14d2ca9c779e..3e46f62d32ad 100644
+--- a/arch/s390/kvm/kvm-s390.c
++++ b/arch/s390/kvm/kvm-s390.c
+@@ -2471,7 +2471,7 @@ static long kvm_s390_guest_mem_op(struct kvm_vcpu *vcpu,
+ const u64 supported_flags = KVM_S390_MEMOP_F_INJECT_EXCEPTION
+ | KVM_S390_MEMOP_F_CHECK_ONLY;
+
+- if (mop->flags & ~supported_flags)
++ if (mop->flags & ~supported_flags || mop->ar >= NUM_ACRS || !mop->size)
+ return -EINVAL;
+
+ if (mop->size > MEM_OP_MAX_SIZE)
+diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
+index b98dbdaee8ac..1ab7f37150d2 100644
+--- a/arch/x86/include/asm/mwait.h
++++ b/arch/x86/include/asm/mwait.h
+@@ -19,7 +19,7 @@
+ #define MWAIT_ECX_INTERRUPT_BREAK 0x1
+ #define MWAITX_ECX_TIMER_ENABLE BIT(1)
+ #define MWAITX_MAX_LOOPS ((u32)-1)
+-#define MWAITX_DISABLE_CSTATES 0xf
++#define MWAITX_DISABLE_CSTATES 0xf0
+
+ static inline void __monitor(const void *eax, unsigned long ecx,
+ unsigned long edx)
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index 343c8ddad86a..f8f9d1b368bf 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -7276,7 +7276,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
+ /* _system ok, as nested_vmx_check_permission verified cpl=0 */
+ if (kvm_write_guest_virt_system(vcpu, gva, &field_value,
+ (is_long_mode(vcpu) ? 8 : 4),
+- NULL))
++ &e))
+ kvm_inject_page_fault(vcpu, &e);
+ }
+
+diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
+index 45772560aceb..fc0cc6d08157 100644
+--- a/arch/x86/lib/delay.c
++++ b/arch/x86/lib/delay.c
+@@ -112,8 +112,8 @@ static void delay_mwaitx(unsigned long __loops)
+ __monitorx(this_cpu_ptr(&cpu_tss), 0, 0);
+
+ /*
+- * AMD, like Intel, supports the EAX hint and EAX=0xf
+- * means, do not enter any deep C-state and we use it
++ * AMD, like Intel's MWAIT version, supports the EAX hint and
++ * EAX=0xf0 means, do not enter any deep C-state and we use it
+ * here in delay() to minimize wakeup latency.
+ */
+ __mwaitx(MWAITX_DISABLE_CSTATES, delay, MWAITX_ECX_TIMER_ENABLE);
+diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
+index f2d1fea23fbf..492432dd5cd6 100644
+--- a/drivers/crypto/caam/caamalg.c
++++ b/drivers/crypto/caam/caamalg.c
+@@ -75,7 +75,7 @@
+ #define DESC_AEAD_BASE (4 * CAAM_CMD_SZ)
+ #define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)
+ #define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)
+-#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 9 * CAAM_CMD_SZ)
++#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 10 * CAAM_CMD_SZ)
+
+ /* Note: Nonce is counted in enckeylen */
+ #define DESC_AEAD_CTR_RFC3686_LEN (4 * CAAM_CMD_SZ)
+@@ -437,6 +437,7 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
+ u32 geniv, moveiv;
+ u32 ctx1_iv_off = 0;
+ u32 *desc;
++ u32 *wait_cmd;
+ const bool ctr_mode = ((ctx->class1_alg_type & OP_ALG_AAI_MASK) ==
+ OP_ALG_AAI_CTR_MOD128);
+ const bool is_rfc3686 = alg->caam.rfc3686;
+@@ -702,6 +703,14 @@ copy_iv:
+
+ /* Will read cryptlen */
+ append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
++
++ /*
++ * Wait for IV transfer (ofifo -> class2) to finish before starting
++ * ciphertext transfer (ofifo -> external memory).
++ */
++ wait_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NIFP);
++ set_jump_tgt_here(desc, wait_cmd);
++
+ append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF |
+ FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH);
+ append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF);
+diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h
+index aa1dbeaa9b49..5358162018dd 100644
+--- a/drivers/crypto/qat/qat_common/adf_common_drv.h
++++ b/drivers/crypto/qat/qat_common/adf_common_drv.h
+@@ -95,7 +95,7 @@ struct service_hndl {
+
+ static inline int get_current_node(void)
+ {
+- return topology_physical_package_id(smp_processor_id());
++ return topology_physical_package_id(raw_smp_processor_id());
+ }
+
+ int adf_service_register(struct service_hndl *service);
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+index a5c824078472..e35e603710b4 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+@@ -406,6 +406,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
+ if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
+ sh_num = 0xffffffff;
+
++ if (info->read_mmr_reg.count > 128)
++ return -EINVAL;
++
+ regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
+ if (!regs)
+ return -ENOMEM;
+diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
+index ba82de25a797..46681e399e22 100644
+--- a/drivers/iio/adc/ad799x.c
++++ b/drivers/iio/adc/ad799x.c
+@@ -822,10 +822,10 @@ static int ad799x_probe(struct i2c_client *client,
+
+ ret = ad799x_write_config(st, st->chip_config->default_config);
+ if (ret < 0)
+- goto error_disable_reg;
++ goto error_disable_vref;
+ ret = ad799x_read_config(st);
+ if (ret < 0)
+- goto error_disable_reg;
++ goto error_disable_vref;
+ st->config = ret;
+
+ ret = iio_triggered_buffer_setup(indio_dev, NULL,
+diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
+index 01e111e72d4b..eecdc50ed282 100644
+--- a/drivers/iio/light/opt3001.c
++++ b/drivers/iio/light/opt3001.c
+@@ -646,6 +646,7 @@ static irqreturn_t opt3001_irq(int irq, void *_iio)
+ struct iio_dev *iio = _iio;
+ struct opt3001 *opt = iio_priv(iio);
+ int ret;
++ bool wake_result_ready_queue = false;
+
+ if (!opt->ok_to_ignore_lock)
+ mutex_lock(&opt->lock);
+@@ -680,13 +681,16 @@ static irqreturn_t opt3001_irq(int irq, void *_iio)
+ }
+ opt->result = ret;
+ opt->result_ready = true;
+- wake_up(&opt->result_ready_queue);
++ wake_result_ready_queue = true;
+ }
+
+ out:
+ if (!opt->ok_to_ignore_lock)
+ mutex_unlock(&opt->lock);
+
++ if (wake_result_ready_queue)
++ wake_up(&opt->result_ready_queue);
++
+ return IRQ_HANDLED;
+ }
+
+diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c
+index c21c4c004f97..17ee9cde4156 100644
+--- a/drivers/media/usb/stkwebcam/stk-webcam.c
++++ b/drivers/media/usb/stkwebcam/stk-webcam.c
+@@ -642,8 +642,7 @@ static int v4l_stk_release(struct file *fp)
+ dev->owner = NULL;
+ }
+
+- if (is_present(dev))
+- usb_autopm_put_interface(dev->interface);
++ usb_autopm_put_interface(dev->interface);
+ mutex_unlock(&dev->lock);
+ return v4l2_fh_release(fp);
+ }
+diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
+index 3bcbfcf0455a..83ddb7d8214a 100644
+--- a/drivers/net/can/spi/mcp251x.c
++++ b/drivers/net/can/spi/mcp251x.c
+@@ -627,7 +627,7 @@ static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,
+ static int mcp251x_hw_reset(struct spi_device *spi)
+ {
+ struct mcp251x_priv *priv = spi_get_drvdata(spi);
+- u8 reg;
++ unsigned long timeout;
+ int ret;
+
+ /* Wait for oscillator startup timer after power up */
+@@ -641,10 +641,19 @@ static int mcp251x_hw_reset(struct spi_device *spi)
+ /* Wait for oscillator startup timer after reset */
+ mdelay(MCP251X_OST_DELAY_MS);
+
+- reg = mcp251x_read_reg(spi, CANSTAT);
+- if ((reg & CANCTRL_REQOP_MASK) != CANCTRL_REQOP_CONF)
+- return -ENODEV;
+-
++ /* Wait for reset to finish */
++ timeout = jiffies + HZ;
++ while ((mcp251x_read_reg(spi, CANSTAT) & CANCTRL_REQOP_MASK) !=
++ CANCTRL_REQOP_CONF) {
++ usleep_range(MCP251X_OST_DELAY_MS * 1000,
++ MCP251X_OST_DELAY_MS * 1000 * 2);
++
++ if (time_after(jiffies, timeout)) {
++ dev_err(&spi->dev,
++ "MCP251x didn't enter in conf mode after reset\n");
++ return -EBUSY;
++ }
++ }
+ return 0;
+ }
+
+diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
+index 3a429f1a8002..d5e0e2aedc55 100644
+--- a/drivers/net/ieee802154/atusb.c
++++ b/drivers/net/ieee802154/atusb.c
+@@ -756,10 +756,11 @@ static void atusb_disconnect(struct usb_interface *interface)
+
+ ieee802154_unregister_hw(atusb->hw);
+
++ usb_put_dev(atusb->usb_dev);
++
+ ieee802154_free_hw(atusb->hw);
+
+ usb_set_intfdata(interface, NULL);
+- usb_put_dev(atusb->usb_dev);
+
+ pr_debug("atusb_disconnect done\n");
+ }
+diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
+index e443b0d0b236..0d59c128f734 100644
+--- a/drivers/s390/cio/ccwgroup.c
++++ b/drivers/s390/cio/ccwgroup.c
+@@ -369,7 +369,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
+ goto error;
+ }
+ /* Check for trailing stuff. */
+- if (i == num_devices && strlen(buf) > 0) {
++ if (i == num_devices && buf && strlen(buf) > 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
+index 489e703dc82d..8ecc956ecb59 100644
+--- a/drivers/s390/cio/css.c
++++ b/drivers/s390/cio/css.c
+@@ -1120,6 +1120,8 @@ device_initcall(cio_settle_init);
+
+ int sch_is_pseudo_sch(struct subchannel *sch)
+ {
++ if (!sch->dev.parent)
++ return 0;
+ return sch == to_css(sch->dev.parent)->pseudo_subchannel;
+ }
+
+diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
+index 18c2b6daf588..15937e0ef4d9 100644
+--- a/drivers/staging/fbtft/fbtft-core.c
++++ b/drivers/staging/fbtft/fbtft-core.c
+@@ -813,7 +813,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
+ if (par->gamma.curves && gamma) {
+ if (fbtft_gamma_parse_str(par,
+ par->gamma.curves, gamma, strlen(gamma)))
+- goto alloc_fail;
++ goto release_framebuf;
+ }
+
+ /* Transmit buffer */
+@@ -836,7 +836,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
+ txbuf = devm_kzalloc(par->info->device, txbuflen, GFP_KERNEL);
+ }
+ if (!txbuf)
+- goto alloc_fail;
++ goto release_framebuf;
+ par->txbuf.buf = txbuf;
+ par->txbuf.len = txbuflen;
+ }
+@@ -872,6 +872,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
+
+ return info;
+
++release_framebuf:
++ framebuffer_release(info);
++
+ alloc_fail:
+ vfree(vmem);
+
+diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
+index 58b6403458b7..2f3c9217d650 100644
+--- a/drivers/staging/vt6655/device_main.c
++++ b/drivers/staging/vt6655/device_main.c
+@@ -1668,8 +1668,10 @@ vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent)
+
+ priv->hw->max_signal = 100;
+
+- if (vnt_init(priv))
++ if (vnt_init(priv)) {
++ device_free_info(priv);
+ return -ENODEV;
++ }
+
+ device_print_info(priv);
+ pci_set_drvdata(pcid, priv);
+diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
+index 3d5f8f432b5b..929092fc25ef 100644
+--- a/drivers/thermal/thermal_core.c
++++ b/drivers/thermal/thermal_core.c
+@@ -402,7 +402,7 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
+ mod_delayed_work(system_freezable_wq, &tz->poll_queue,
+ msecs_to_jiffies(delay));
+ else
+- cancel_delayed_work(&tz->poll_queue);
++ cancel_delayed_work_sync(&tz->poll_queue);
+ }
+
+ static void monitor_thermal_zone(struct thermal_zone_device *tz)
+diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
+index b1c6bd3d483f..c27db21b71ba 100644
+--- a/drivers/tty/serial/uartlite.c
++++ b/drivers/tty/serial/uartlite.c
+@@ -701,7 +701,8 @@ err_uart:
+ static void __exit ulite_exit(void)
+ {
+ platform_driver_unregister(&ulite_platform_driver);
+- uart_unregister_driver(&ulite_uart_driver);
++ if (ulite_uart_driver.state)
++ uart_unregister_driver(&ulite_uart_driver);
+ }
+
+ module_init(ulite_init);
+diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
+index 071964c7847f..0669fbb0ec25 100644
+--- a/drivers/usb/class/usblp.c
++++ b/drivers/usb/class/usblp.c
+@@ -474,10 +474,12 @@ static int usblp_release(struct inode *inode, struct file *file)
+
+ mutex_lock(&usblp_mutex);
+ usblp->used = 0;
+- if (usblp->present) {
++ if (usblp->present)
+ usblp_unlink_urbs(usblp);
+- usb_autopm_put_interface(usblp->intf);
+- } else /* finish cleanup from disconnect */
++
++ usb_autopm_put_interface(usblp->intf);
++
++ if (!usblp->present) /* finish cleanup from disconnect */
+ usblp_cleanup(usblp);
+ mutex_unlock(&usblp_mutex);
+ return 0;
+diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
+index 85f1f282c1d5..0321b9ce9faf 100644
+--- a/drivers/usb/gadget/udc/dummy_hcd.c
++++ b/drivers/usb/gadget/udc/dummy_hcd.c
+@@ -50,6 +50,7 @@
+ #define DRIVER_VERSION "02 May 2005"
+
+ #define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */
++#define POWER_BUDGET_3 900 /* in mA */
+
+ static const char driver_name[] = "dummy_hcd";
+ static const char driver_desc[] = "USB Host+Gadget Emulator";
+@@ -2435,7 +2436,7 @@ static int dummy_start_ss(struct dummy_hcd *dum_hcd)
+ dum_hcd->rh_state = DUMMY_RH_RUNNING;
+ dum_hcd->stream_en_ep = 0;
+ INIT_LIST_HEAD(&dum_hcd->urbp_list);
+- dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET;
++ dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET_3;
+ dummy_hcd_to_hcd(dum_hcd)->state = HC_STATE_RUNNING;
+ dummy_hcd_to_hcd(dum_hcd)->uses_new_polling = 1;
+ #ifdef CONFIG_USB_OTG
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index ed152b8ea645..202c806b972a 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -981,7 +981,7 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
+ command |= CMD_CSS;
+ writel(command, &xhci->op_regs->command);
+ if (xhci_handshake(&xhci->op_regs->status,
+- STS_SAVE, 0, 10 * 1000)) {
++ STS_SAVE, 0, 20 * 1000)) {
+ xhci_warn(xhci, "WARN: xHC save state timeout\n");
+ spin_unlock_irq(&xhci->lock);
+ return -ETIMEDOUT;
+@@ -1041,6 +1041,18 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
+ hibernated = true;
+
+ if (!hibernated) {
++ /*
++ * Some controllers might lose power during suspend, so wait
++ * for controller not ready bit to clear, just as in xHC init.
++ */
++ retval = xhci_handshake(&xhci->op_regs->status,
++ STS_CNR, 0, 10 * 1000 * 1000);
++ if (retval) {
++ xhci_warn(xhci, "Controller not ready at resume %d\n",
++ retval);
++ spin_unlock_irq(&xhci->lock);
++ return retval;
++ }
+ /* step 1: restore register */
+ xhci_restore_registers(xhci);
+ /* step 2: initialize command ring buffer */
+@@ -4529,12 +4541,12 @@ static int xhci_update_timeout_for_endpoint(struct xhci_hcd *xhci,
+ alt_timeout = xhci_call_host_update_timeout_for_endpoint(xhci, udev,
+ desc, state, timeout);
+
+- /* If we found we can't enable hub-initiated LPM, or
++ /* If we found we can't enable hub-initiated LPM, and
+ * the U1 or U2 exit latency was too high to allow
+- * device-initiated LPM as well, just stop searching.
++ * device-initiated LPM as well, then we will disable LPM
++ * for this device, so stop searching any further.
+ */
+- if (alt_timeout == USB3_LPM_DISABLED ||
+- alt_timeout == USB3_LPM_DEVICE_INITIATED) {
++ if (alt_timeout == USB3_LPM_DISABLED) {
+ *timeout = alt_timeout;
+ return -E2BIG;
+ }
+@@ -4645,10 +4657,12 @@ static u16 xhci_calculate_lpm_timeout(struct usb_hcd *hcd,
+ if (intf->dev.driver) {
+ driver = to_usb_driver(intf->dev.driver);
+ if (driver && driver->disable_hub_initiated_lpm) {
+- dev_dbg(&udev->dev, "Hub-initiated %s disabled "
+- "at request of driver %s\n",
+- state_name, driver->name);
+- return xhci_get_timeout_no_hub_lpm(udev, state);
++ dev_dbg(&udev->dev, "Hub-initiated %s disabled at request of driver %s\n",
++ state_name, driver->name);
++ timeout = xhci_get_timeout_no_hub_lpm(udev,
++ state);
++ if (timeout == USB3_LPM_DISABLED)
++ return timeout;
+ }
+ }
+
+diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
+index a4dbb0cd80da..0fecc002fa9f 100644
+--- a/drivers/usb/image/microtek.c
++++ b/drivers/usb/image/microtek.c
+@@ -724,6 +724,10 @@ static int mts_usb_probe(struct usb_interface *intf,
+
+ }
+
++ if (ep_in_current != &ep_in_set[2]) {
++ MTS_WARNING("couldn't find two input bulk endpoints. Bailing out.\n");
++ return -ENODEV;
++ }
+
+ if ( ep_out == -1 ) {
+ MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" );
+diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
+index f7a7fc21be8a..c7383c41c90e 100644
+--- a/drivers/usb/misc/Kconfig
++++ b/drivers/usb/misc/Kconfig
+@@ -46,16 +46,6 @@ config USB_SEVSEG
+ To compile this driver as a module, choose M here: the
+ module will be called usbsevseg.
+
+-config USB_RIO500
+- tristate "USB Diamond Rio500 support"
+- help
+- Say Y here if you want to connect a USB Rio500 mp3 player to your
+- computer's USB port. Please read <file:Documentation/usb/rio.txt>
+- for more information.
+-
+- To compile this driver as a module, choose M here: the
+- module will be called rio500.
+-
+ config USB_LEGOTOWER
+ tristate "USB Lego Infrared Tower support"
+ help
+diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
+index 45fd4ac39d3e..0cbdd77363f2 100644
+--- a/drivers/usb/misc/Makefile
++++ b/drivers/usb/misc/Makefile
+@@ -17,7 +17,6 @@ obj-$(CONFIG_USB_LCD) += usblcd.o
+ obj-$(CONFIG_USB_LD) += ldusb.o
+ obj-$(CONFIG_USB_LED) += usbled.o
+ obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o
+-obj-$(CONFIG_USB_RIO500) += rio500.o
+ obj-$(CONFIG_USB_TEST) += usbtest.o
+ obj-$(CONFIG_USB_EHSET_TEST_FIXTURE) += ehset.o
+ obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o
+diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
+index 3071c0ef909b..6d849e7dc842 100644
+--- a/drivers/usb/misc/adutux.c
++++ b/drivers/usb/misc/adutux.c
+@@ -80,6 +80,7 @@ struct adu_device {
+ char serial_number[8];
+
+ int open_count; /* number of times this port has been opened */
++ unsigned long disconnected:1;
+
+ char *read_buffer_primary;
+ int read_buffer_length;
+@@ -121,7 +122,7 @@ static void adu_abort_transfers(struct adu_device *dev)
+ {
+ unsigned long flags;
+
+- if (dev->udev == NULL)
++ if (dev->disconnected)
+ return;
+
+ /* shutdown transfer */
+@@ -151,6 +152,7 @@ static void adu_delete(struct adu_device *dev)
+ kfree(dev->read_buffer_secondary);
+ kfree(dev->interrupt_in_buffer);
+ kfree(dev->interrupt_out_buffer);
++ usb_put_dev(dev->udev);
+ kfree(dev);
+ }
+
+@@ -244,7 +246,7 @@ static int adu_open(struct inode *inode, struct file *file)
+ }
+
+ dev = usb_get_intfdata(interface);
+- if (!dev || !dev->udev) {
++ if (!dev) {
+ retval = -ENODEV;
+ goto exit_no_device;
+ }
+@@ -327,7 +329,7 @@ static int adu_release(struct inode *inode, struct file *file)
+ }
+
+ adu_release_internal(dev);
+- if (dev->udev == NULL) {
++ if (dev->disconnected) {
+ /* the device was unplugged before the file was released */
+ if (!dev->open_count) /* ... and we're the last user */
+ adu_delete(dev);
+@@ -356,7 +358,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
+ return -ERESTARTSYS;
+
+ /* verify that the device wasn't unplugged */
+- if (dev->udev == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ pr_err("No device or device unplugged %d\n", retval);
+ goto exit;
+@@ -525,7 +527,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
+ goto exit_nolock;
+
+ /* verify that the device wasn't unplugged */
+- if (dev->udev == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ pr_err("No device or device unplugged %d\n", retval);
+ goto exit;
+@@ -680,7 +682,7 @@ static int adu_probe(struct usb_interface *interface,
+
+ mutex_init(&dev->mtx);
+ spin_lock_init(&dev->buflock);
+- dev->udev = udev;
++ dev->udev = usb_get_dev(udev);
+ init_waitqueue_head(&dev->read_wait);
+ init_waitqueue_head(&dev->write_wait);
+
+@@ -800,19 +802,21 @@ error:
+ static void adu_disconnect(struct usb_interface *interface)
+ {
+ struct adu_device *dev;
+- int minor;
+
+ dev = usb_get_intfdata(interface);
+
+- mutex_lock(&dev->mtx); /* not interruptible */
+- dev->udev = NULL; /* poison */
+- minor = dev->minor;
+ usb_deregister_dev(interface, &adu_class);
+- mutex_unlock(&dev->mtx);
++
++ usb_poison_urb(dev->interrupt_in_urb);
++ usb_poison_urb(dev->interrupt_out_urb);
+
+ mutex_lock(&adutux_mutex);
+ usb_set_intfdata(interface, NULL);
+
++ mutex_lock(&dev->mtx); /* not interruptible */
++ dev->disconnected = 1;
++ mutex_unlock(&dev->mtx);
++
+ /* if the device is not opened, then we clean up right now */
+ if (!dev->open_count)
+ adu_delete(dev);
+diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
+index 23c794813e6a..a3692811248b 100644
+--- a/drivers/usb/misc/chaoskey.c
++++ b/drivers/usb/misc/chaoskey.c
+@@ -96,6 +96,7 @@ static void chaoskey_free(struct chaoskey *dev)
+ usb_dbg(dev->interface, "free");
+ kfree(dev->name);
+ kfree(dev->buf);
++ usb_put_intf(dev->interface);
+ kfree(dev);
+ }
+
+@@ -144,6 +145,8 @@ static int chaoskey_probe(struct usb_interface *interface,
+ if (dev == NULL)
+ return -ENOMEM;
+
++ dev->interface = usb_get_intf(interface);
++
+ dev->buf = kmalloc(size, GFP_KERNEL);
+
+ if (dev->buf == NULL) {
+@@ -169,8 +172,6 @@ static int chaoskey_probe(struct usb_interface *interface,
+ strcat(dev->name, udev->serial);
+ }
+
+- dev->interface = interface;
+-
+ dev->in_ep = in_ep;
+
+ dev->size = size;
+diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
+index 836fb65c3c72..83342e579233 100644
+--- a/drivers/usb/misc/iowarrior.c
++++ b/drivers/usb/misc/iowarrior.c
+@@ -89,6 +89,7 @@ struct iowarrior {
+ char chip_serial[9]; /* the serial number string of the chip connected */
+ int report_size; /* number of bytes in a report */
+ u16 product_id;
++ struct usb_anchor submitted;
+ };
+
+ /*--------------*/
+@@ -248,6 +249,7 @@ static inline void iowarrior_delete(struct iowarrior *dev)
+ kfree(dev->int_in_buffer);
+ usb_free_urb(dev->int_in_urb);
+ kfree(dev->read_queue);
++ usb_put_intf(dev->interface);
+ kfree(dev);
+ }
+
+@@ -436,11 +438,13 @@ static ssize_t iowarrior_write(struct file *file,
+ retval = -EFAULT;
+ goto error;
+ }
++ usb_anchor_urb(int_out_urb, &dev->submitted);
+ retval = usb_submit_urb(int_out_urb, GFP_KERNEL);
+ if (retval) {
+ dev_dbg(&dev->interface->dev,
+ "submit error %d for urb nr.%d\n",
+ retval, atomic_read(&dev->write_busy));
++ usb_unanchor_urb(int_out_urb);
+ goto error;
+ }
+ /* submit was ok */
+@@ -782,11 +786,13 @@ static int iowarrior_probe(struct usb_interface *interface,
+ init_waitqueue_head(&dev->write_wait);
+
+ dev->udev = udev;
+- dev->interface = interface;
++ dev->interface = usb_get_intf(interface);
+
+ iface_desc = interface->cur_altsetting;
+ dev->product_id = le16_to_cpu(udev->descriptor.idProduct);
+
++ init_usb_anchor(&dev->submitted);
++
+ /* set up the endpoint information */
+ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
+ endpoint = &iface_desc->endpoint[i].desc;
+@@ -898,8 +904,6 @@ static void iowarrior_disconnect(struct usb_interface *interface)
+ dev = usb_get_intfdata(interface);
+ mutex_lock(&iowarrior_open_disc_lock);
+ usb_set_intfdata(interface, NULL);
+- /* prevent device read, write and ioctl */
+- dev->present = 0;
+
+ minor = dev->minor;
+ mutex_unlock(&iowarrior_open_disc_lock);
+@@ -910,8 +914,7 @@ static void iowarrior_disconnect(struct usb_interface *interface)
+ mutex_lock(&dev->mutex);
+
+ /* prevent device read, write and ioctl */
+-
+- mutex_unlock(&dev->mutex);
++ dev->present = 0;
+
+ if (dev->opened) {
+ /* There is a process that holds a filedescriptor to the device ,
+@@ -919,10 +922,13 @@ static void iowarrior_disconnect(struct usb_interface *interface)
+ Deleting the device is postponed until close() was called.
+ */
+ usb_kill_urb(dev->int_in_urb);
++ usb_kill_anchored_urbs(&dev->submitted);
+ wake_up_interruptible(&dev->read_wait);
+ wake_up_interruptible(&dev->write_wait);
++ mutex_unlock(&dev->mutex);
+ } else {
+ /* no process is using the device, cleanup now */
++ mutex_unlock(&dev->mutex);
+ iowarrior_delete(dev);
+ }
+
+diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
+index e9113238d9e3..84f12c1bf9e6 100644
+--- a/drivers/usb/misc/ldusb.c
++++ b/drivers/usb/misc/ldusb.c
+@@ -158,6 +158,7 @@ MODULE_PARM_DESC(min_interrupt_out_interval, "Minimum interrupt out interval in
+ struct ld_usb {
+ struct mutex mutex; /* locks this structure */
+ struct usb_interface* intf; /* save off the usb interface pointer */
++ unsigned long disconnected:1;
+
+ int open_count; /* number of times this port has been opened */
+
+@@ -197,12 +198,10 @@ static void ld_usb_abort_transfers(struct ld_usb *dev)
+ /* shutdown transfer */
+ if (dev->interrupt_in_running) {
+ dev->interrupt_in_running = 0;
+- if (dev->intf)
+- usb_kill_urb(dev->interrupt_in_urb);
++ usb_kill_urb(dev->interrupt_in_urb);
+ }
+ if (dev->interrupt_out_busy)
+- if (dev->intf)
+- usb_kill_urb(dev->interrupt_out_urb);
++ usb_kill_urb(dev->interrupt_out_urb);
+ }
+
+ /**
+@@ -210,8 +209,6 @@ static void ld_usb_abort_transfers(struct ld_usb *dev)
+ */
+ static void ld_usb_delete(struct ld_usb *dev)
+ {
+- ld_usb_abort_transfers(dev);
+-
+ /* free data structures */
+ usb_free_urb(dev->interrupt_in_urb);
+ usb_free_urb(dev->interrupt_out_urb);
+@@ -267,7 +264,7 @@ static void ld_usb_interrupt_in_callback(struct urb *urb)
+
+ resubmit:
+ /* resubmit if we're still running */
+- if (dev->interrupt_in_running && !dev->buffer_overflow && dev->intf) {
++ if (dev->interrupt_in_running && !dev->buffer_overflow) {
+ retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC);
+ if (retval) {
+ dev_err(&dev->intf->dev,
+@@ -396,7 +393,7 @@ static int ld_usb_release(struct inode *inode, struct file *file)
+ retval = -ENODEV;
+ goto unlock_exit;
+ }
+- if (dev->intf == NULL) {
++ if (dev->disconnected) {
+ /* the device was unplugged before the file was released */
+ mutex_unlock(&dev->mutex);
+ /* unlock here as ld_usb_delete frees dev */
+@@ -427,7 +424,7 @@ static unsigned int ld_usb_poll(struct file *file, poll_table *wait)
+
+ dev = file->private_data;
+
+- if (!dev->intf)
++ if (dev->disconnected)
+ return POLLERR | POLLHUP;
+
+ poll_wait(file, &dev->read_wait, wait);
+@@ -466,7 +463,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count,
+ }
+
+ /* verify that the device wasn't unplugged */
+- if (dev->intf == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval);
+ goto unlock_exit;
+@@ -546,7 +543,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer,
+ }
+
+ /* verify that the device wasn't unplugged */
+- if (dev->intf == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval);
+ goto unlock_exit;
+@@ -782,6 +779,9 @@ static void ld_usb_disconnect(struct usb_interface *intf)
+ /* give back our minor */
+ usb_deregister_dev(intf, &ld_usb_class);
+
++ usb_poison_urb(dev->interrupt_in_urb);
++ usb_poison_urb(dev->interrupt_out_urb);
++
+ mutex_lock(&dev->mutex);
+
+ /* if the device is not opened, then we clean up right now */
+@@ -789,7 +789,7 @@ static void ld_usb_disconnect(struct usb_interface *intf)
+ mutex_unlock(&dev->mutex);
+ ld_usb_delete(dev);
+ } else {
+- dev->intf = NULL;
++ dev->disconnected = 1;
+ /* wake up pollers */
+ wake_up_interruptible_all(&dev->read_wait);
+ wake_up_interruptible_all(&dev->write_wait);
+diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
+index 0ec9ee573ffa..20e3d577ae5d 100644
+--- a/drivers/usb/misc/legousbtower.c
++++ b/drivers/usb/misc/legousbtower.c
+@@ -185,7 +185,6 @@ static const struct usb_device_id tower_table[] = {
+ };
+
+ MODULE_DEVICE_TABLE (usb, tower_table);
+-static DEFINE_MUTEX(open_disc_mutex);
+
+ #define LEGO_USB_TOWER_MINOR_BASE 160
+
+@@ -197,6 +196,7 @@ struct lego_usb_tower {
+ unsigned char minor; /* the starting minor number for this device */
+
+ int open_count; /* number of times this port has been opened */
++ unsigned long disconnected:1;
+
+ char* read_buffer;
+ size_t read_buffer_length; /* this much came in */
+@@ -296,14 +296,13 @@ static inline void lego_usb_tower_debug_data(struct device *dev,
+ */
+ static inline void tower_delete (struct lego_usb_tower *dev)
+ {
+- tower_abort_transfers (dev);
+-
+ /* free data structures */
+ usb_free_urb(dev->interrupt_in_urb);
+ usb_free_urb(dev->interrupt_out_urb);
+ kfree (dev->read_buffer);
+ kfree (dev->interrupt_in_buffer);
+ kfree (dev->interrupt_out_buffer);
++ usb_put_dev(dev->udev);
+ kfree (dev);
+ }
+
+@@ -338,18 +337,14 @@ static int tower_open (struct inode *inode, struct file *file)
+ goto exit;
+ }
+
+- mutex_lock(&open_disc_mutex);
+ dev = usb_get_intfdata(interface);
+-
+ if (!dev) {
+- mutex_unlock(&open_disc_mutex);
+ retval = -ENODEV;
+ goto exit;
+ }
+
+ /* lock this device */
+ if (mutex_lock_interruptible(&dev->lock)) {
+- mutex_unlock(&open_disc_mutex);
+ retval = -ERESTARTSYS;
+ goto exit;
+ }
+@@ -357,12 +352,9 @@ static int tower_open (struct inode *inode, struct file *file)
+
+ /* allow opening only once */
+ if (dev->open_count) {
+- mutex_unlock(&open_disc_mutex);
+ retval = -EBUSY;
+ goto unlock_exit;
+ }
+- dev->open_count = 1;
+- mutex_unlock(&open_disc_mutex);
+
+ /* reset the tower */
+ result = usb_control_msg (dev->udev,
+@@ -402,13 +394,14 @@ static int tower_open (struct inode *inode, struct file *file)
+ dev_err(&dev->udev->dev,
+ "Couldn't submit interrupt_in_urb %d\n", retval);
+ dev->interrupt_in_running = 0;
+- dev->open_count = 0;
+ goto unlock_exit;
+ }
+
+ /* save device in the file's private structure */
+ file->private_data = dev;
+
++ dev->open_count = 1;
++
+ unlock_exit:
+ mutex_unlock(&dev->lock);
+
+@@ -429,10 +422,9 @@ static int tower_release (struct inode *inode, struct file *file)
+
+ if (dev == NULL) {
+ retval = -ENODEV;
+- goto exit_nolock;
++ goto exit;
+ }
+
+- mutex_lock(&open_disc_mutex);
+ if (mutex_lock_interruptible(&dev->lock)) {
+ retval = -ERESTARTSYS;
+ goto exit;
+@@ -444,7 +436,8 @@ static int tower_release (struct inode *inode, struct file *file)
+ retval = -ENODEV;
+ goto unlock_exit;
+ }
+- if (dev->udev == NULL) {
++
++ if (dev->disconnected) {
+ /* the device was unplugged before the file was released */
+
+ /* unlock here as tower_delete frees dev */
+@@ -462,10 +455,7 @@ static int tower_release (struct inode *inode, struct file *file)
+
+ unlock_exit:
+ mutex_unlock(&dev->lock);
+-
+ exit:
+- mutex_unlock(&open_disc_mutex);
+-exit_nolock:
+ return retval;
+ }
+
+@@ -483,10 +473,9 @@ static void tower_abort_transfers (struct lego_usb_tower *dev)
+ if (dev->interrupt_in_running) {
+ dev->interrupt_in_running = 0;
+ mb();
+- if (dev->udev)
+- usb_kill_urb (dev->interrupt_in_urb);
++ usb_kill_urb(dev->interrupt_in_urb);
+ }
+- if (dev->interrupt_out_busy && dev->udev)
++ if (dev->interrupt_out_busy)
+ usb_kill_urb(dev->interrupt_out_urb);
+ }
+
+@@ -522,7 +511,7 @@ static unsigned int tower_poll (struct file *file, poll_table *wait)
+
+ dev = file->private_data;
+
+- if (!dev->udev)
++ if (dev->disconnected)
+ return POLLERR | POLLHUP;
+
+ poll_wait(file, &dev->read_wait, wait);
+@@ -569,7 +558,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count,
+ }
+
+ /* verify that the device wasn't unplugged */
+- if (dev->udev == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ pr_err("No device or device unplugged %d\n", retval);
+ goto unlock_exit;
+@@ -655,7 +644,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t
+ }
+
+ /* verify that the device wasn't unplugged */
+- if (dev->udev == NULL) {
++ if (dev->disconnected) {
+ retval = -ENODEV;
+ pr_err("No device or device unplugged %d\n", retval);
+ goto unlock_exit;
+@@ -764,7 +753,7 @@ static void tower_interrupt_in_callback (struct urb *urb)
+
+ resubmit:
+ /* resubmit if we're still running */
+- if (dev->interrupt_in_running && dev->udev) {
++ if (dev->interrupt_in_running) {
+ retval = usb_submit_urb (dev->interrupt_in_urb, GFP_ATOMIC);
+ if (retval)
+ dev_err(&dev->udev->dev,
+@@ -832,8 +821,9 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
+
+ mutex_init(&dev->lock);
+
+- dev->udev = udev;
++ dev->udev = usb_get_dev(udev);
+ dev->open_count = 0;
++ dev->disconnected = 0;
+
+ dev->read_buffer = NULL;
+ dev->read_buffer_length = 0;
+@@ -923,8 +913,10 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
+ get_version_reply,
+ sizeof(*get_version_reply),
+ 1000);
+- if (result < 0) {
+- dev_err(idev, "LEGO USB Tower get version control request failed\n");
++ if (result < sizeof(*get_version_reply)) {
++ if (result >= 0)
++ result = -EIO;
++ dev_err(idev, "get version request failed: %d\n", result);
+ retval = result;
+ goto error;
+ }
+@@ -942,7 +934,6 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
+ if (retval) {
+ /* something prevented us from registering this driver */
+ dev_err(idev, "Not able to get a minor for this device.\n");
+- usb_set_intfdata (interface, NULL);
+ goto error;
+ }
+ dev->minor = interface->minor;
+@@ -974,23 +965,24 @@ static void tower_disconnect (struct usb_interface *interface)
+ int minor;
+
+ dev = usb_get_intfdata (interface);
+- mutex_lock(&open_disc_mutex);
+- usb_set_intfdata (interface, NULL);
+
+ minor = dev->minor;
+
+- /* give back our minor */
++ /* give back our minor and prevent further open() */
+ usb_deregister_dev (interface, &tower_class);
+
++ /* stop I/O */
++ usb_poison_urb(dev->interrupt_in_urb);
++ usb_poison_urb(dev->interrupt_out_urb);
++
+ mutex_lock(&dev->lock);
+- mutex_unlock(&open_disc_mutex);
+
+ /* if the device is not opened, then we clean up right now */
+ if (!dev->open_count) {
+ mutex_unlock(&dev->lock);
+ tower_delete (dev);
+ } else {
+- dev->udev = NULL;
++ dev->disconnected = 1;
+ /* wake up pollers */
+ wake_up_interruptible_all(&dev->read_wait);
+ wake_up_interruptible_all(&dev->write_wait);
+diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
+deleted file mode 100644
+index 6e761fabffca..000000000000
+--- a/drivers/usb/misc/rio500.c
++++ /dev/null
+@@ -1,578 +0,0 @@
+-/* -*- linux-c -*- */
+-
+-/*
+- * Driver for USB Rio 500
+- *
+- * Cesar Miquel (miquel@df.uba.ar)
+- *
+- * based on hp_scanner.c by David E. Nelson (dnelson@jump.net)
+- *
+- * This program is free software; you can redistribute it and/or
+- * modify it under the terms of the GNU General Public License as
+- * published by the Free Software Foundation; either version 2 of the
+- * License, or (at your option) any later version.
+- *
+- * This program is distributed in the hope that it will be useful, but
+- * WITHOUT ANY WARRANTY; without even the implied warranty of
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+- * General Public License for more details.
+- *
+- * You should have received a copy of the GNU General Public License
+- * along with this program; if not, write to the Free Software
+- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+- *
+- * Based upon mouse.c (Brad Keryan) and printer.c (Michael Gee).
+- *
+- * Changelog:
+- * 30/05/2003 replaced lock/unlock kernel with up/down
+- * Daniele Bellucci bellucda@tiscali.it
+- * */
+-
+-#include <linux/module.h>
+-#include <linux/kernel.h>
+-#include <linux/signal.h>
+-#include <linux/sched.h>
+-#include <linux/mutex.h>
+-#include <linux/errno.h>
+-#include <linux/random.h>
+-#include <linux/poll.h>
+-#include <linux/slab.h>
+-#include <linux/spinlock.h>
+-#include <linux/usb.h>
+-#include <linux/wait.h>
+-
+-#include "rio500_usb.h"
+-
+-/*
+- * Version Information
+- */
+-#define DRIVER_VERSION "v1.1"
+-#define DRIVER_AUTHOR "Cesar Miquel <miquel@df.uba.ar>"
+-#define DRIVER_DESC "USB Rio 500 driver"
+-
+-#define RIO_MINOR 64
+-
+-/* stall/wait timeout for rio */
+-#define NAK_TIMEOUT (HZ)
+-
+-#define IBUF_SIZE 0x1000
+-
+-/* Size of the rio buffer */
+-#define OBUF_SIZE 0x10000
+-
+-struct rio_usb_data {
+- struct usb_device *rio_dev; /* init: probe_rio */
+- unsigned int ifnum; /* Interface number of the USB device */
+- int isopen; /* nz if open */
+- int present; /* Device is present on the bus */
+- char *obuf, *ibuf; /* transfer buffers */
+- char bulk_in_ep, bulk_out_ep; /* Endpoint assignments */
+- wait_queue_head_t wait_q; /* for timeouts */
+- struct mutex lock; /* general race avoidance */
+-};
+-
+-static DEFINE_MUTEX(rio500_mutex);
+-static struct rio_usb_data rio_instance;
+-
+-static int open_rio(struct inode *inode, struct file *file)
+-{
+- struct rio_usb_data *rio = &rio_instance;
+-
+- /* against disconnect() */
+- mutex_lock(&rio500_mutex);
+- mutex_lock(&(rio->lock));
+-
+- if (rio->isopen || !rio->present) {
+- mutex_unlock(&(rio->lock));
+- mutex_unlock(&rio500_mutex);
+- return -EBUSY;
+- }
+- rio->isopen = 1;
+-
+- init_waitqueue_head(&rio->wait_q);
+-
+- mutex_unlock(&(rio->lock));
+-
+- dev_info(&rio->rio_dev->dev, "Rio opened.\n");
+- mutex_unlock(&rio500_mutex);
+-
+- return 0;
+-}
+-
+-static int close_rio(struct inode *inode, struct file *file)
+-{
+- struct rio_usb_data *rio = &rio_instance;
+-
+- /* against disconnect() */
+- mutex_lock(&rio500_mutex);
+- mutex_lock(&(rio->lock));
+-
+- rio->isopen = 0;
+- if (!rio->present) {
+- /* cleanup has been delayed */
+- kfree(rio->ibuf);
+- kfree(rio->obuf);
+- rio->ibuf = NULL;
+- rio->obuf = NULL;
+- } else {
+- dev_info(&rio->rio_dev->dev, "Rio closed.\n");
+- }
+- mutex_unlock(&(rio->lock));
+- mutex_unlock(&rio500_mutex);
+- return 0;
+-}
+-
+-static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg)
+-{
+- struct RioCommand rio_cmd;
+- struct rio_usb_data *rio = &rio_instance;
+- void __user *data;
+- unsigned char *buffer;
+- int result, requesttype;
+- int retries;
+- int retval=0;
+-
+- mutex_lock(&(rio->lock));
+- /* Sanity check to make sure rio is connected, powered, etc */
+- if (rio->present == 0 || rio->rio_dev == NULL) {
+- retval = -ENODEV;
+- goto err_out;
+- }
+-
+- switch (cmd) {
+- case RIO_RECV_COMMAND:
+- data = (void __user *) arg;
+- if (data == NULL)
+- break;
+- if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) {
+- retval = -EFAULT;
+- goto err_out;
+- }
+- if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) {
+- retval = -EINVAL;
+- goto err_out;
+- }
+- buffer = (unsigned char *) __get_free_page(GFP_KERNEL);
+- if (buffer == NULL) {
+- retval = -ENOMEM;
+- goto err_out;
+- }
+- if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) {
+- retval = -EFAULT;
+- free_page((unsigned long) buffer);
+- goto err_out;
+- }
+-
+- requesttype = rio_cmd.requesttype | USB_DIR_IN |
+- USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+- dev_dbg(&rio->rio_dev->dev,
+- "sending command:reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n",
+- requesttype, rio_cmd.request, rio_cmd.value,
+- rio_cmd.index, rio_cmd.length);
+- /* Send rio control message */
+- retries = 3;
+- while (retries) {
+- result = usb_control_msg(rio->rio_dev,
+- usb_rcvctrlpipe(rio-> rio_dev, 0),
+- rio_cmd.request,
+- requesttype,
+- rio_cmd.value,
+- rio_cmd.index, buffer,
+- rio_cmd.length,
+- jiffies_to_msecs(rio_cmd.timeout));
+- if (result == -ETIMEDOUT)
+- retries--;
+- else if (result < 0) {
+- dev_err(&rio->rio_dev->dev,
+- "Error executing ioctrl. code = %d\n",
+- result);
+- retries = 0;
+- } else {
+- dev_dbg(&rio->rio_dev->dev,
+- "Executed ioctl. Result = %d (data=%02x)\n",
+- result, buffer[0]);
+- if (copy_to_user(rio_cmd.buffer, buffer,
+- rio_cmd.length)) {
+- free_page((unsigned long) buffer);
+- retval = -EFAULT;
+- goto err_out;
+- }
+- retries = 0;
+- }
+-
+- /* rio_cmd.buffer contains a raw stream of single byte
+- data which has been returned from rio. Data is
+- interpreted at application level. For data that
+- will be cast to data types longer than 1 byte, data
+- will be little_endian and will potentially need to
+- be swapped at the app level */
+-
+- }
+- free_page((unsigned long) buffer);
+- break;
+-
+- case RIO_SEND_COMMAND:
+- data = (void __user *) arg;
+- if (data == NULL)
+- break;
+- if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) {
+- retval = -EFAULT;
+- goto err_out;
+- }
+- if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) {
+- retval = -EINVAL;
+- goto err_out;
+- }
+- buffer = (unsigned char *) __get_free_page(GFP_KERNEL);
+- if (buffer == NULL) {
+- retval = -ENOMEM;
+- goto err_out;
+- }
+- if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) {
+- free_page((unsigned long)buffer);
+- retval = -EFAULT;
+- goto err_out;
+- }
+-
+- requesttype = rio_cmd.requesttype | USB_DIR_OUT |
+- USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+- dev_dbg(&rio->rio_dev->dev,
+- "sending command: reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n",
+- requesttype, rio_cmd.request, rio_cmd.value,
+- rio_cmd.index, rio_cmd.length);
+- /* Send rio control message */
+- retries = 3;
+- while (retries) {
+- result = usb_control_msg(rio->rio_dev,
+- usb_sndctrlpipe(rio-> rio_dev, 0),
+- rio_cmd.request,
+- requesttype,
+- rio_cmd.value,
+- rio_cmd.index, buffer,
+- rio_cmd.length,
+- jiffies_to_msecs(rio_cmd.timeout));
+- if (result == -ETIMEDOUT)
+- retries--;
+- else if (result < 0) {
+- dev_err(&rio->rio_dev->dev,
+- "Error executing ioctrl. code = %d\n",
+- result);
+- retries = 0;
+- } else {
+- dev_dbg(&rio->rio_dev->dev,
+- "Executed ioctl. Result = %d\n", result);
+- retries = 0;
+-
+- }
+-
+- }
+- free_page((unsigned long) buffer);
+- break;
+-
+- default:
+- retval = -ENOTTY;
+- break;
+- }
+-
+-
+-err_out:
+- mutex_unlock(&(rio->lock));
+- return retval;
+-}
+-
+-static ssize_t
+-write_rio(struct file *file, const char __user *buffer,
+- size_t count, loff_t * ppos)
+-{
+- DEFINE_WAIT(wait);
+- struct rio_usb_data *rio = &rio_instance;
+-
+- unsigned long copy_size;
+- unsigned long bytes_written = 0;
+- unsigned int partial;
+-
+- int result = 0;
+- int maxretry;
+- int errn = 0;
+- int intr;
+-
+- intr = mutex_lock_interruptible(&(rio->lock));
+- if (intr)
+- return -EINTR;
+- /* Sanity check to make sure rio is connected, powered, etc */
+- if (rio->present == 0 || rio->rio_dev == NULL) {
+- mutex_unlock(&(rio->lock));
+- return -ENODEV;
+- }
+-
+-
+-
+- do {
+- unsigned long thistime;
+- char *obuf = rio->obuf;
+-
+- thistime = copy_size =
+- (count >= OBUF_SIZE) ? OBUF_SIZE : count;
+- if (copy_from_user(rio->obuf, buffer, copy_size)) {
+- errn = -EFAULT;
+- goto error;
+- }
+- maxretry = 5;
+- while (thistime) {
+- if (!rio->rio_dev) {
+- errn = -ENODEV;
+- goto error;
+- }
+- if (signal_pending(current)) {
+- mutex_unlock(&(rio->lock));
+- return bytes_written ? bytes_written : -EINTR;
+- }
+-
+- result = usb_bulk_msg(rio->rio_dev,
+- usb_sndbulkpipe(rio->rio_dev, 2),
+- obuf, thistime, &partial, 5000);
+-
+- dev_dbg(&rio->rio_dev->dev,
+- "write stats: result:%d thistime:%lu partial:%u\n",
+- result, thistime, partial);
+-
+- if (result == -ETIMEDOUT) { /* NAK - so hold for a while */
+- if (!maxretry--) {
+- errn = -ETIME;
+- goto error;
+- }
+- prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE);
+- schedule_timeout(NAK_TIMEOUT);
+- finish_wait(&rio->wait_q, &wait);
+- continue;
+- } else if (!result && partial) {
+- obuf += partial;
+- thistime -= partial;
+- } else
+- break;
+- }
+- if (result) {
+- dev_err(&rio->rio_dev->dev, "Write Whoops - %x\n",
+- result);
+- errn = -EIO;
+- goto error;
+- }
+- bytes_written += copy_size;
+- count -= copy_size;
+- buffer += copy_size;
+- } while (count > 0);
+-
+- mutex_unlock(&(rio->lock));
+-
+- return bytes_written ? bytes_written : -EIO;
+-
+-error:
+- mutex_unlock(&(rio->lock));
+- return errn;
+-}
+-
+-static ssize_t
+-read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
+-{
+- DEFINE_WAIT(wait);
+- struct rio_usb_data *rio = &rio_instance;
+- ssize_t read_count;
+- unsigned int partial;
+- int this_read;
+- int result;
+- int maxretry = 10;
+- char *ibuf;
+- int intr;
+-
+- intr = mutex_lock_interruptible(&(rio->lock));
+- if (intr)
+- return -EINTR;
+- /* Sanity check to make sure rio is connected, powered, etc */
+- if (rio->present == 0 || rio->rio_dev == NULL) {
+- mutex_unlock(&(rio->lock));
+- return -ENODEV;
+- }
+-
+- ibuf = rio->ibuf;
+-
+- read_count = 0;
+-
+-
+- while (count > 0) {
+- if (signal_pending(current)) {
+- mutex_unlock(&(rio->lock));
+- return read_count ? read_count : -EINTR;
+- }
+- if (!rio->rio_dev) {
+- mutex_unlock(&(rio->lock));
+- return -ENODEV;
+- }
+- this_read = (count >= IBUF_SIZE) ? IBUF_SIZE : count;
+-
+- result = usb_bulk_msg(rio->rio_dev,
+- usb_rcvbulkpipe(rio->rio_dev, 1),
+- ibuf, this_read, &partial,
+- 8000);
+-
+- dev_dbg(&rio->rio_dev->dev,
+- "read stats: result:%d this_read:%u partial:%u\n",
+- result, this_read, partial);
+-
+- if (partial) {
+- count = this_read = partial;
+- } else if (result == -ETIMEDOUT || result == 15) { /* FIXME: 15 ??? */
+- if (!maxretry--) {
+- mutex_unlock(&(rio->lock));
+- dev_err(&rio->rio_dev->dev,
+- "read_rio: maxretry timeout\n");
+- return -ETIME;
+- }
+- prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE);
+- schedule_timeout(NAK_TIMEOUT);
+- finish_wait(&rio->wait_q, &wait);
+- continue;
+- } else if (result != -EREMOTEIO) {
+- mutex_unlock(&(rio->lock));
+- dev_err(&rio->rio_dev->dev,
+- "Read Whoops - result:%u partial:%u this_read:%u\n",
+- result, partial, this_read);
+- return -EIO;
+- } else {
+- mutex_unlock(&(rio->lock));
+- return (0);
+- }
+-
+- if (this_read) {
+- if (copy_to_user(buffer, ibuf, this_read)) {
+- mutex_unlock(&(rio->lock));
+- return -EFAULT;
+- }
+- count -= this_read;
+- read_count += this_read;
+- buffer += this_read;
+- }
+- }
+- mutex_unlock(&(rio->lock));
+- return read_count;
+-}
+-
+-static const struct file_operations usb_rio_fops = {
+- .owner = THIS_MODULE,
+- .read = read_rio,
+- .write = write_rio,
+- .unlocked_ioctl = ioctl_rio,
+- .open = open_rio,
+- .release = close_rio,
+- .llseek = noop_llseek,
+-};
+-
+-static struct usb_class_driver usb_rio_class = {
+- .name = "rio500%d",
+- .fops = &usb_rio_fops,
+- .minor_base = RIO_MINOR,
+-};
+-
+-static int probe_rio(struct usb_interface *intf,
+- const struct usb_device_id *id)
+-{
+- struct usb_device *dev = interface_to_usbdev(intf);
+- struct rio_usb_data *rio = &rio_instance;
+- int retval = 0;
+-
+- mutex_lock(&rio500_mutex);
+- if (rio->present) {
+- dev_info(&intf->dev, "Second USB Rio at address %d refused\n", dev->devnum);
+- retval = -EBUSY;
+- goto bail_out;
+- } else {
+- dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum);
+- }
+-
+- retval = usb_register_dev(intf, &usb_rio_class);
+- if (retval) {
+- dev_err(&dev->dev,
+- "Not able to get a minor for this device.\n");
+- retval = -ENOMEM;
+- goto bail_out;
+- }
+-
+- rio->rio_dev = dev;
+-
+- if (!(rio->obuf = kmalloc(OBUF_SIZE, GFP_KERNEL))) {
+- dev_err(&dev->dev,
+- "probe_rio: Not enough memory for the output buffer\n");
+- usb_deregister_dev(intf, &usb_rio_class);
+- retval = -ENOMEM;
+- goto bail_out;
+- }
+- dev_dbg(&intf->dev, "obuf address:%p\n", rio->obuf);
+-
+- if (!(rio->ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL))) {
+- dev_err(&dev->dev,
+- "probe_rio: Not enough memory for the input buffer\n");
+- usb_deregister_dev(intf, &usb_rio_class);
+- kfree(rio->obuf);
+- retval = -ENOMEM;
+- goto bail_out;
+- }
+- dev_dbg(&intf->dev, "ibuf address:%p\n", rio->ibuf);
+-
+- mutex_init(&(rio->lock));
+-
+- usb_set_intfdata (intf, rio);
+- rio->present = 1;
+-bail_out:
+- mutex_unlock(&rio500_mutex);
+-
+- return retval;
+-}
+-
+-static void disconnect_rio(struct usb_interface *intf)
+-{
+- struct rio_usb_data *rio = usb_get_intfdata (intf);
+-
+- usb_set_intfdata (intf, NULL);
+- mutex_lock(&rio500_mutex);
+- if (rio) {
+- usb_deregister_dev(intf, &usb_rio_class);
+-
+- mutex_lock(&(rio->lock));
+- if (rio->isopen) {
+- rio->isopen = 0;
+- /* better let it finish - the release will do whats needed */
+- rio->rio_dev = NULL;
+- mutex_unlock(&(rio->lock));
+- mutex_unlock(&rio500_mutex);
+- return;
+- }
+- kfree(rio->ibuf);
+- kfree(rio->obuf);
+-
+- dev_info(&intf->dev, "USB Rio disconnected.\n");
+-
+- rio->present = 0;
+- mutex_unlock(&(rio->lock));
+- }
+- mutex_unlock(&rio500_mutex);
+-}
+-
+-static const struct usb_device_id rio_table[] = {
+- { USB_DEVICE(0x0841, 1) }, /* Rio 500 */
+- { } /* Terminating entry */
+-};
+-
+-MODULE_DEVICE_TABLE (usb, rio_table);
+-
+-static struct usb_driver rio_driver = {
+- .name = "rio500",
+- .probe = probe_rio,
+- .disconnect = disconnect_rio,
+- .id_table = rio_table,
+-};
+-
+-module_usb_driver(rio_driver);
+-
+-MODULE_AUTHOR( DRIVER_AUTHOR );
+-MODULE_DESCRIPTION( DRIVER_DESC );
+-MODULE_LICENSE("GPL");
+-
+diff --git a/drivers/usb/misc/rio500_usb.h b/drivers/usb/misc/rio500_usb.h
+deleted file mode 100644
+index 359abc98e706..000000000000
+--- a/drivers/usb/misc/rio500_usb.h
++++ /dev/null
+@@ -1,37 +0,0 @@
+-/* ----------------------------------------------------------------------
+-
+- Copyright (C) 2000 Cesar Miquel (miquel@df.uba.ar)
+-
+- This program is free software; you can redistribute it and/or modify
+- it under the terms of the GNU General Public License as published by
+- the Free Software Foundation; either version 2 of the License, or
+- (at your option) any later version.
+-
+- This program is distributed in the hope that it will be useful,
+- but WITHOUT ANY WARRANTY; without even the implied warranty of
+- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+- GNU General Public License for more details.
+-
+- You should have received a copy of the GNU General Public License
+- along with this program; if not, write to the Free Software
+- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+-
+- ---------------------------------------------------------------------- */
+-
+-
+-
+-#define RIO_SEND_COMMAND 0x1
+-#define RIO_RECV_COMMAND 0x2
+-
+-#define RIO_DIR_OUT 0x0
+-#define RIO_DIR_IN 0x1
+-
+-struct RioCommand {
+- short length;
+- int request;
+- int requesttype;
+- int value;
+- int index;
+- void __user *buffer;
+- int timeout;
+-};
+diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
+index 1184390508e9..c77974fab29d 100644
+--- a/drivers/usb/misc/usblcd.c
++++ b/drivers/usb/misc/usblcd.c
+@@ -17,6 +17,7 @@
+ #include <linux/slab.h>
+ #include <linux/errno.h>
+ #include <linux/mutex.h>
++#include <linux/rwsem.h>
+ #include <linux/uaccess.h>
+ #include <linux/usb.h>
+
+@@ -56,6 +57,8 @@ struct usb_lcd {
+ using up all RAM */
+ struct usb_anchor submitted; /* URBs to wait for
+ before suspend */
++ struct rw_semaphore io_rwsem;
++ unsigned long disconnected:1;
+ };
+ #define to_lcd_dev(d) container_of(d, struct usb_lcd, kref)
+
+@@ -141,6 +144,13 @@ static ssize_t lcd_read(struct file *file, char __user * buffer,
+
+ dev = file->private_data;
+
++ down_read(&dev->io_rwsem);
++
++ if (dev->disconnected) {
++ retval = -ENODEV;
++ goto out_up_io;
++ }
++
+ /* do a blocking bulk read to get data from the device */
+ retval = usb_bulk_msg(dev->udev,
+ usb_rcvbulkpipe(dev->udev,
+@@ -157,6 +167,9 @@ static ssize_t lcd_read(struct file *file, char __user * buffer,
+ retval = bytes_read;
+ }
+
++out_up_io:
++ up_read(&dev->io_rwsem);
++
+ return retval;
+ }
+
+@@ -236,11 +249,18 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer,
+ if (r < 0)
+ return -EINTR;
+
++ down_read(&dev->io_rwsem);
++
++ if (dev->disconnected) {
++ retval = -ENODEV;
++ goto err_up_io;
++ }
++
+ /* create a urb, and a buffer for it, and copy the data to the urb */
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb) {
+ retval = -ENOMEM;
+- goto err_no_buf;
++ goto err_up_io;
+ }
+
+ buf = usb_alloc_coherent(dev->udev, count, GFP_KERNEL,
+@@ -277,6 +297,7 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer,
+ the USB core will eventually free it entirely */
+ usb_free_urb(urb);
+
++ up_read(&dev->io_rwsem);
+ exit:
+ return count;
+ error_unanchor:
+@@ -284,7 +305,8 @@ error_unanchor:
+ error:
+ usb_free_coherent(dev->udev, count, buf, urb->transfer_dma);
+ usb_free_urb(urb);
+-err_no_buf:
++err_up_io:
++ up_read(&dev->io_rwsem);
+ up(&dev->limit_sem);
+ return retval;
+ }
+@@ -327,6 +349,7 @@ static int lcd_probe(struct usb_interface *interface,
+ }
+ kref_init(&dev->kref);
+ sema_init(&dev->limit_sem, USB_LCD_CONCURRENT_WRITES);
++ init_rwsem(&dev->io_rwsem);
+ init_usb_anchor(&dev->submitted);
+
+ dev->udev = usb_get_dev(interface_to_usbdev(interface));
+@@ -437,6 +460,12 @@ static void lcd_disconnect(struct usb_interface *interface)
+ /* give back our minor */
+ usb_deregister_dev(interface, &lcd_class);
+
++ down_write(&dev->io_rwsem);
++ dev->disconnected = 1;
++ up_write(&dev->io_rwsem);
++
++ usb_kill_anchored_urbs(&dev->submitted);
++
+ /* decrement our usage count */
+ kref_put(&dev->kref, lcd_delete);
+
+diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
+index 2222ec2275fc..44c6ced5d442 100644
+--- a/drivers/usb/misc/yurex.c
++++ b/drivers/usb/misc/yurex.c
+@@ -64,6 +64,7 @@ struct usb_yurex {
+
+ struct kref kref;
+ struct mutex io_mutex;
++ unsigned long disconnected:1;
+ struct fasync_struct *async_queue;
+ wait_queue_head_t waitq;
+
+@@ -111,6 +112,7 @@ static void yurex_delete(struct kref *kref)
+ dev->int_buffer, dev->urb->transfer_dma);
+ usb_free_urb(dev->urb);
+ }
++ usb_put_intf(dev->interface);
+ usb_put_dev(dev->udev);
+ kfree(dev);
+ }
+@@ -136,6 +138,7 @@ static void yurex_interrupt(struct urb *urb)
+ switch (status) {
+ case 0: /*success*/
+ break;
++ /* The device is terminated or messed up, give up */
+ case -EOVERFLOW:
+ dev_err(&dev->interface->dev,
+ "%s - overflow with length %d, actual length is %d\n",
+@@ -144,12 +147,13 @@ static void yurex_interrupt(struct urb *urb)
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -EILSEQ:
+- /* The device is terminated, clean up */
++ case -EPROTO:
++ case -ETIME:
+ return;
+ default:
+ dev_err(&dev->interface->dev,
+ "%s - unknown status received: %d\n", __func__, status);
+- goto exit;
++ return;
+ }
+
+ /* handle received message */
+@@ -181,7 +185,6 @@ static void yurex_interrupt(struct urb *urb)
+ break;
+ }
+
+-exit:
+ retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
+ if (retval) {
+ dev_err(&dev->interface->dev, "%s - usb_submit_urb failed: %d\n",
+@@ -210,7 +213,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
+ init_waitqueue_head(&dev->waitq);
+
+ dev->udev = usb_get_dev(interface_to_usbdev(interface));
+- dev->interface = interface;
++ dev->interface = usb_get_intf(interface);
+
+ /* set up the endpoint information */
+ iface_desc = interface->cur_altsetting;
+@@ -333,8 +336,9 @@ static void yurex_disconnect(struct usb_interface *interface)
+
+ /* prevent more I/O from starting */
+ usb_poison_urb(dev->urb);
++ usb_poison_urb(dev->cntl_urb);
+ mutex_lock(&dev->io_mutex);
+- dev->interface = NULL;
++ dev->disconnected = 1;
+ mutex_unlock(&dev->io_mutex);
+
+ /* wakeup waiters */
+@@ -422,7 +426,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
+ dev = file->private_data;
+
+ mutex_lock(&dev->io_mutex);
+- if (!dev->interface) { /* already disconnected */
++ if (dev->disconnected) { /* already disconnected */
+ mutex_unlock(&dev->io_mutex);
+ return -ENODEV;
+ }
+@@ -457,7 +461,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
+ goto error;
+
+ mutex_lock(&dev->io_mutex);
+- if (!dev->interface) { /* already disconnected */
++ if (dev->disconnected) { /* already disconnected */
+ mutex_unlock(&dev->io_mutex);
+ retval = -ENODEV;
+ goto error;
+diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
+index 8c5fc12ad778..b8620aa6b72e 100644
+--- a/drivers/usb/renesas_usbhs/common.h
++++ b/drivers/usb/renesas_usbhs/common.h
+@@ -213,6 +213,7 @@ struct usbhs_priv;
+ /* DCPCTR */
+ #define BSTS (1 << 15) /* Buffer Status */
+ #define SUREQ (1 << 14) /* Sending SETUP Token */
++#define INBUFM (1 << 14) /* (PIPEnCTR) Transfer Buffer Monitor */
+ #define CSSTS (1 << 12) /* CSSTS Status */
+ #define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */
+ #define SQCLR (1 << 8) /* Toggle Bit Clear */
+diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
+index 5e2aa4f85c81..79efb367e5ce 100644
+--- a/drivers/usb/renesas_usbhs/fifo.c
++++ b/drivers/usb/renesas_usbhs/fifo.c
+@@ -98,7 +98,7 @@ static void __usbhsf_pkt_del(struct usbhs_pkt *pkt)
+ list_del_init(&pkt->node);
+ }
+
+-static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe)
++struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe)
+ {
+ if (list_empty(&pipe->list))
+ return NULL;
+diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
+index c7d9b86d51bf..3640340e94d6 100644
+--- a/drivers/usb/renesas_usbhs/fifo.h
++++ b/drivers/usb/renesas_usbhs/fifo.h
+@@ -106,5 +106,6 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
+ void *buf, int len, int zero, int sequence);
+ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
+ void usbhs_pkt_start(struct usbhs_pipe *pipe);
++struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe);
+
+ #endif /* RENESAS_USB_FIFO_H */
+diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
+index c5553028e616..efe8d815cf2c 100644
+--- a/drivers/usb/renesas_usbhs/mod_gadget.c
++++ b/drivers/usb/renesas_usbhs/mod_gadget.c
+@@ -731,8 +731,7 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
+ struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
+ struct device *dev = usbhsg_gpriv_to_dev(gpriv);
+ unsigned long flags;
+-
+- usbhsg_pipe_disable(uep);
++ int ret = 0;
+
+ dev_dbg(dev, "set halt %d (pipe %d)\n",
+ halt, usbhs_pipe_number(pipe));
+@@ -740,6 +739,18 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
+ /******************** spin lock ********************/
+ usbhs_lock(priv, flags);
+
++ /*
++ * According to usb_ep_set_halt()'s description, this function should
++ * return -EAGAIN if the IN endpoint has any queue or data. Note
++ * that the usbhs_pipe_is_dir_in() returns false if the pipe is an
++ * IN endpoint in the gadget mode.
++ */
++ if (!usbhs_pipe_is_dir_in(pipe) && (__usbhsf_pkt_get(pipe) ||
++ usbhs_pipe_contains_transmittable_data(pipe))) {
++ ret = -EAGAIN;
++ goto out;
++ }
++
+ if (halt)
+ usbhs_pipe_stall(pipe);
+ else
+@@ -750,10 +761,11 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
+ else
+ usbhsg_status_clr(gpriv, USBHSG_STATUS_WEDGE);
+
++out:
+ usbhs_unlock(priv, flags);
+ /******************** spin unlock ******************/
+
+- return 0;
++ return ret;
+ }
+
+ static int usbhsg_ep_set_halt(struct usb_ep *ep, int value)
+diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
+index 4f9c3356127a..75fb41d4e9fc 100644
+--- a/drivers/usb/renesas_usbhs/pipe.c
++++ b/drivers/usb/renesas_usbhs/pipe.c
+@@ -279,6 +279,21 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe)
+ return -EBUSY;
+ }
+
++bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe)
++{
++ u16 val;
++
++ /* Do not support for DCP pipe */
++ if (usbhs_pipe_is_dcp(pipe))
++ return false;
++
++ val = usbhsp_pipectrl_get(pipe);
++ if (val & INBUFM)
++ return true;
++
++ return false;
++}
++
+ /*
+ * PID ctrl
+ */
+diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
+index b0bc7b603016..b7925d363bb4 100644
+--- a/drivers/usb/renesas_usbhs/pipe.h
++++ b/drivers/usb/renesas_usbhs/pipe.h
+@@ -89,6 +89,7 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
+ int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
+ void usbhs_pipe_clear(struct usbhs_pipe *pipe);
+ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
++bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe);
+ void usbhs_pipe_enable(struct usbhs_pipe *pipe);
+ void usbhs_pipe_disable(struct usbhs_pipe *pipe);
+ void usbhs_pipe_stall(struct usbhs_pipe *pipe);
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 7edcd5a8d175..2998da6bd901 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -1025,6 +1025,9 @@ static const struct usb_device_id id_table_combined[] = {
+ /* EZPrototypes devices */
+ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
+ { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
++ /* Sienna devices */
++ { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
++ { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
+ { } /* Terminating entry */
+ };
+
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
+index ed6b36674c15..2e8161f79b49 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -38,6 +38,9 @@
+
+ #define FTDI_LUMEL_PD12_PID 0x6002
+
++/* Sienna Serial Interface by Secyourit GmbH */
++#define FTDI_SIENNA_PID 0x8348
++
+ /* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */
+ #define CYBER_CORTEX_AV_PID 0x8698
+
+@@ -687,6 +690,12 @@
+ #define BANDB_TTL3USB9M_PID 0xAC50
+ #define BANDB_ZZ_PROG1_USB_PID 0xBA02
+
++/*
++ * Echelon USB Serial Interface
++ */
++#define ECHELON_VID 0x0920
++#define ECHELON_U20_PID 0x7500
++
+ /*
+ * Intrepid Control Systems (http://www.intrepidcs.com/) ValueCAN and NeoVI
+ */
+diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
+index 7faa901ee47f..38112be0dbae 100644
+--- a/drivers/usb/serial/keyspan.c
++++ b/drivers/usb/serial/keyspan.c
+@@ -1249,8 +1249,8 @@ static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint,
+
+ ep_desc = find_ep(serial, endpoint);
+ if (!ep_desc) {
+- /* leak the urb, something's wrong and the callers don't care */
+- return urb;
++ usb_free_urb(urb);
++ return NULL;
+ }
+ if (usb_endpoint_xfer_int(ep_desc)) {
+ ep_type_name = "INT";
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 1bceb11f3782..00a6e62a68a8 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -421,6 +421,7 @@ static void option_instat_callback(struct urb *urb);
+ #define CINTERION_PRODUCT_PH8_AUDIO 0x0083
+ #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084
+ #define CINTERION_PRODUCT_AHXX_AUDIO 0x0085
++#define CINTERION_PRODUCT_CLS8 0x00b0
+
+ /* Olivetti products */
+ #define OLIVETTI_VENDOR_ID 0x0b3c
+@@ -1149,6 +1150,14 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff),
+ .driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1050, 0xff), /* Telit FN980 (rmnet) */
++ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1051, 0xff), /* Telit FN980 (MBIM) */
++ .driver_info = NCTRL(0) | RSVD(1) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1052, 0xff), /* Telit FN980 (RNDIS) */
++ .driver_info = NCTRL(2) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff), /* Telit FN980 (ECM) */
++ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
+@@ -1842,6 +1851,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) },
++ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff),
++ .driver_info = RSVD(0) | RSVD(4) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
+diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
+index e7e29c797824..80ba818d3a21 100644
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -314,10 +314,7 @@ static void serial_cleanup(struct tty_struct *tty)
+ serial = port->serial;
+ owner = serial->type->driver.owner;
+
+- mutex_lock(&serial->disc_mutex);
+- if (!serial->disconnected)
+- usb_autopm_put_interface(serial->interface);
+- mutex_unlock(&serial->disc_mutex);
++ usb_autopm_put_interface(serial->interface);
+
+ usb_serial_put(serial);
+ module_put(owner);
+diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
+index 545d09b8081d..871c366d9229 100644
+--- a/drivers/usb/usb-skeleton.c
++++ b/drivers/usb/usb-skeleton.c
+@@ -63,6 +63,7 @@ struct usb_skel {
+ spinlock_t err_lock; /* lock for errors */
+ struct kref kref;
+ struct mutex io_mutex; /* synchronize I/O with disconnect */
++ unsigned long disconnected:1;
+ wait_queue_head_t bulk_in_wait; /* to wait for an ongoing read */
+ };
+ #define to_skel_dev(d) container_of(d, struct usb_skel, kref)
+@@ -75,6 +76,7 @@ static void skel_delete(struct kref *kref)
+ struct usb_skel *dev = to_skel_dev(kref);
+
+ usb_free_urb(dev->bulk_in_urb);
++ usb_put_intf(dev->interface);
+ usb_put_dev(dev->udev);
+ kfree(dev->bulk_in_buffer);
+ kfree(dev);
+@@ -126,10 +128,7 @@ static int skel_release(struct inode *inode, struct file *file)
+ return -ENODEV;
+
+ /* allow the device to be autosuspended */
+- mutex_lock(&dev->io_mutex);
+- if (dev->interface)
+- usb_autopm_put_interface(dev->interface);
+- mutex_unlock(&dev->io_mutex);
++ usb_autopm_put_interface(dev->interface);
+
+ /* decrement the count on our device */
+ kref_put(&dev->kref, skel_delete);
+@@ -241,7 +240,7 @@ static ssize_t skel_read(struct file *file, char *buffer, size_t count,
+ if (rv < 0)
+ return rv;
+
+- if (!dev->interface) { /* disconnect() was called */
++ if (dev->disconnected) { /* disconnect() was called */
+ rv = -ENODEV;
+ goto exit;
+ }
+@@ -422,7 +421,7 @@ static ssize_t skel_write(struct file *file, const char *user_buffer,
+
+ /* this lock makes sure we don't submit URBs to gone devices */
+ mutex_lock(&dev->io_mutex);
+- if (!dev->interface) { /* disconnect() was called */
++ if (dev->disconnected) { /* disconnect() was called */
+ mutex_unlock(&dev->io_mutex);
+ retval = -ENODEV;
+ goto error;
+@@ -511,7 +510,7 @@ static int skel_probe(struct usb_interface *interface,
+ init_waitqueue_head(&dev->bulk_in_wait);
+
+ dev->udev = usb_get_dev(interface_to_usbdev(interface));
+- dev->interface = interface;
++ dev->interface = usb_get_intf(interface);
+
+ /* set up the endpoint information */
+ /* use only the first bulk-in and bulk-out endpoints */
+@@ -590,7 +589,7 @@ static void skel_disconnect(struct usb_interface *interface)
+
+ /* prevent more I/O from starting */
+ mutex_lock(&dev->io_mutex);
+- dev->interface = NULL;
++ dev->disconnected = 1;
+ mutex_unlock(&dev->io_mutex);
+
+ usb_kill_anchored_urbs(&dev->submitted);
+diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c
+index 7494dbeb4409..db58aaa4dc59 100644
+--- a/drivers/xen/pci.c
++++ b/drivers/xen/pci.c
+@@ -29,6 +29,8 @@
+ #include "../pci/pci.h"
+ #ifdef CONFIG_PCI_MMCONFIG
+ #include <asm/pci_x86.h>
++
++static int xen_mcfg_late(void);
+ #endif
+
+ static bool __read_mostly pci_seg_supported = true;
+@@ -40,7 +42,18 @@ static int xen_add_device(struct device *dev)
+ #ifdef CONFIG_PCI_IOV
+ struct pci_dev *physfn = pci_dev->physfn;
+ #endif
+-
++#ifdef CONFIG_PCI_MMCONFIG
++ static bool pci_mcfg_reserved = false;
++ /*
++ * Reserve MCFG areas in Xen on first invocation due to this being
++ * potentially called from inside of acpi_init immediately after
++ * MCFG table has been finally parsed.
++ */
++ if (!pci_mcfg_reserved) {
++ xen_mcfg_late();
++ pci_mcfg_reserved = true;
++ }
++#endif
+ if (pci_seg_supported) {
+ struct {
+ struct physdev_pci_device_add add;
+@@ -213,7 +226,7 @@ static int __init register_xen_pci_notifier(void)
+ arch_initcall(register_xen_pci_notifier);
+
+ #ifdef CONFIG_PCI_MMCONFIG
+-static int __init xen_mcfg_late(void)
++static int xen_mcfg_late(void)
+ {
+ struct pci_mmcfg_region *cfg;
+ int rc;
+@@ -252,8 +265,4 @@ static int __init xen_mcfg_late(void)
+ }
+ return 0;
+ }
+-/*
+- * Needs to be done after acpi_init which are subsys_initcall.
+- */
+-subsys_initcall_sync(xen_mcfg_late);
+ #endif
+diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
+index 373cc50544e9..9dbf37147126 100644
+--- a/fs/9p/vfs_file.c
++++ b/fs/9p/vfs_file.c
+@@ -528,6 +528,7 @@ v9fs_mmap_file_mmap(struct file *filp, struct vm_area_struct *vma)
+ v9inode = V9FS_I(inode);
+ mutex_lock(&v9inode->v_mutex);
+ if (!v9inode->writeback_fid &&
++ (vma->vm_flags & VM_SHARED) &&
+ (vma->vm_flags & VM_WRITE)) {
+ /*
+ * clone a fid and add it to writeback_fid
+@@ -629,6 +630,8 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
+ (vma->vm_end - vma->vm_start - 1),
+ };
+
++ if (!(vma->vm_flags & VM_SHARED))
++ return;
+
+ p9_debug(P9_DEBUG_VFS, "9p VMA close, %p, flushing", vma);
+
+diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
+index a663b676d566..2ad3f4ab4dcf 100644
+--- a/fs/ceph/inode.c
++++ b/fs/ceph/inode.c
+@@ -725,7 +725,12 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
+ ci->i_version = le64_to_cpu(info->version);
+ inode->i_version++;
+ inode->i_rdev = le32_to_cpu(info->rdev);
+- inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
++ /* directories have fl_stripe_unit set to zero */
++ if (le32_to_cpu(info->layout.fl_stripe_unit))
++ inode->i_blkbits =
++ fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
++ else
++ inode->i_blkbits = CEPH_BLOCK_SHIFT;
+
+ if ((new_version || (new_issued & CEPH_CAP_AUTH_SHARED)) &&
+ (issued & CEPH_CAP_AUTH_EXCL) == 0) {
+diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
+index afd317eb9db9..be16da31cbcc 100644
+--- a/fs/cifs/dir.c
++++ b/fs/cifs/dir.c
+@@ -830,10 +830,16 @@ lookup_out:
+ static int
+ cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
+ {
++ struct inode *inode;
++
+ if (flags & LOOKUP_RCU)
+ return -ECHILD;
+
+ if (d_really_is_positive(direntry)) {
++ inode = d_inode(direntry);
++ if ((flags & LOOKUP_REVAL) && !CIFS_CACHE_READ(CIFS_I(inode)))
++ CIFS_I(inode)->time = 0; /* force reval */
++
+ if (cifs_revalidate_dentry(direntry))
+ return 0;
+ else {
+@@ -844,7 +850,7 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
+ * attributes will have been updated by
+ * cifs_revalidate_dentry().
+ */
+- if (IS_AUTOMOUNT(d_inode(direntry)) &&
++ if (IS_AUTOMOUNT(inode) &&
+ !(direntry->d_flags & DCACHE_NEED_AUTOMOUNT)) {
+ spin_lock(&direntry->d_lock);
+ direntry->d_flags |= DCACHE_NEED_AUTOMOUNT;
+diff --git a/fs/cifs/file.c b/fs/cifs/file.c
+index 309c134fb66f..737cff7bc08a 100644
+--- a/fs/cifs/file.c
++++ b/fs/cifs/file.c
+@@ -252,6 +252,12 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
+ rc = cifs_get_inode_info(&inode, full_path, buf, inode->i_sb,
+ xid, fid);
+
++ if (rc) {
++ server->ops->close(xid, tcon, fid);
++ if (rc == -ESTALE)
++ rc = -EOPENSTALE;
++ }
++
+ out:
+ kfree(buf);
+ return rc;
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index 0f210cb5038a..0a219545940d 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -405,6 +405,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
+ /* if uniqueid is different, return error */
+ if (unlikely(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM &&
+ CIFS_I(*pinode)->uniqueid != fattr.cf_uniqueid)) {
++ CIFS_I(*pinode)->time = 0; /* force reval */
+ rc = -ESTALE;
+ goto cgiiu_exit;
+ }
+@@ -412,6 +413,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
+ /* if filetype is different, return error */
+ if (unlikely(((*pinode)->i_mode & S_IFMT) !=
+ (fattr.cf_mode & S_IFMT))) {
++ CIFS_I(*pinode)->time = 0; /* force reval */
+ rc = -ESTALE;
+ goto cgiiu_exit;
+ }
+@@ -829,8 +831,21 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ }
+ } else
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
+- } else
+- fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
++ } else {
++ if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) &&
++ validinum == false && server->ops->get_srv_inum) {
++ /*
++ * Pass a NULL tcon to ensure we don't make a round
++ * trip to the server. This only works for SMB2+.
++ */
++ tmprc = server->ops->get_srv_inum(xid,
++ NULL, cifs_sb, full_path,
++ &fattr.cf_uniqueid, data);
++ if (tmprc)
++ fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
++ } else
++ fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
++ }
+
+ /* query for SFU type info if supported and needed */
+ if (fattr.cf_cifsattrs & ATTR_SYSTEM &&
+@@ -871,9 +886,18 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ } else {
+ /* we already have inode, update it */
+
++ /* if uniqueid is different, return error */
++ if (unlikely(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM &&
++ CIFS_I(*inode)->uniqueid != fattr.cf_uniqueid)) {
++ CIFS_I(*inode)->time = 0; /* force reval */
++ rc = -ESTALE;
++ goto cgii_exit;
++ }
++
+ /* if filetype is different, return error */
+ if (unlikely(((*inode)->i_mode & S_IFMT) !=
+ (fattr.cf_mode & S_IFMT))) {
++ CIFS_I(*inode)->time = 0; /* force reval */
+ rc = -ESTALE;
+ goto cgii_exit;
+ }
+diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
+index c5b6b7165489..d9aba9700726 100644
+--- a/fs/fuse/cuse.c
++++ b/fs/fuse/cuse.c
+@@ -513,6 +513,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file)
+ rc = cuse_send_init(cc);
+ if (rc) {
+ fuse_dev_free(fud);
++ fuse_conn_put(&cc->fc);
+ return rc;
+ }
+ file->private_data = fud;
+diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
+index 1cb50bb898b0..15cd9db6d616 100644
+--- a/fs/nfs/nfs4xdr.c
++++ b/fs/nfs/nfs4xdr.c
+@@ -1123,7 +1123,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap,
+ } else
+ *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
+ }
+- if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) {
++ if (label && (bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) {
+ *p++ = cpu_to_be32(label->lfs);
+ *p++ = cpu_to_be32(label->pi);
+ *p++ = cpu_to_be32(label->len);
+diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
+index ef64a1e1a66a..ff3f5812c0fd 100644
+--- a/fs/xfs/xfs_super.c
++++ b/fs/xfs/xfs_super.c
+@@ -1572,6 +1572,7 @@ xfs_fs_fill_super(
+ out_close_devices:
+ xfs_close_devices(mp);
+ out_free_fsname:
++ sb->s_fs_info = NULL;
+ xfs_free_fsname(mp);
+ kfree(mp);
+ out:
+@@ -1589,6 +1590,10 @@ xfs_fs_put_super(
+ {
+ struct xfs_mount *mp = XFS_M(sb);
+
++ /* if ->fill_super failed, we have no mount to tear down */
++ if (!sb->s_fs_info)
++ return;
++
+ xfs_notice(mp, "Unmounting Filesystem");
+ xfs_filestream_unmount(mp);
+ xfs_unmountfs(mp);
+@@ -1598,6 +1603,8 @@ xfs_fs_put_super(
+ xfs_destroy_percpu_counters(mp);
+ xfs_destroy_mount_workqueues(mp);
+ xfs_close_devices(mp);
++
++ sb->s_fs_info = NULL;
+ xfs_free_fsname(mp);
+ kfree(mp);
+ }
+@@ -1617,6 +1624,9 @@ xfs_fs_nr_cached_objects(
+ struct super_block *sb,
+ struct shrink_control *sc)
+ {
++ /* Paranoia: catch incorrect calls during mount setup or teardown */
++ if (WARN_ON_ONCE(!sb->s_fs_info))
++ return 0;
+ return xfs_reclaim_inodes_count(XFS_M(sb));
+ }
+
+diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
+index 452c0b0d2f32..149a7a6687e9 100644
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -2550,4 +2550,57 @@ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
+ return true;
+ }
+
++struct element {
++ u8 id;
++ u8 datalen;
++ u8 data[];
++} __packed;
++
++/* element iteration helpers */
++#define for_each_element(_elem, _data, _datalen) \
++ for (_elem = (const struct element *)(_data); \
++ (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
++ (int)sizeof(*_elem) && \
++ (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
++ (int)sizeof(*_elem) + _elem->datalen; \
++ _elem = (const struct element *)(_elem->data + _elem->datalen))
++
++#define for_each_element_id(element, _id, data, datalen) \
++ for_each_element(element, data, datalen) \
++ if (element->id == (_id))
++
++#define for_each_element_extid(element, extid, data, datalen) \
++ for_each_element(element, data, datalen) \
++ if (element->id == WLAN_EID_EXTENSION && \
++ element->datalen > 0 && \
++ element->data[0] == (extid))
++
++#define for_each_subelement(sub, element) \
++ for_each_element(sub, (element)->data, (element)->datalen)
++
++#define for_each_subelement_id(sub, id, element) \
++ for_each_element_id(sub, id, (element)->data, (element)->datalen)
++
++#define for_each_subelement_extid(sub, extid, element) \
++ for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
++
++/**
++ * for_each_element_completed - determine if element parsing consumed all data
++ * @element: element pointer after for_each_element() or friends
++ * @data: same data pointer as passed to for_each_element() or friends
++ * @datalen: same data length as passed to for_each_element() or friends
++ *
++ * This function returns %true if all the data was parsed or considered
++ * while walking the elements. Only use this if your for_each_element()
++ * loop cannot be broken out of, otherwise it always returns %false.
++ *
++ * If some data was malformed, this returns %false since the last parsed
++ * element will not fill the whole remaining data.
++ */
++static inline bool for_each_element_completed(const struct element *element,
++ const void *data, size_t datalen)
++{
++ return (const u8 *)element == (const u8 *)data + datalen;
++}
++
+ #endif /* LINUX_IEEE80211_H */
+diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
+index 95a937eafb79..2fc28324351d 100644
+--- a/include/sound/soc-dapm.h
++++ b/include/sound/soc-dapm.h
+@@ -335,6 +335,8 @@ struct device;
+ #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */
+ #define SND_SOC_DAPM_PRE_POST_PMD \
+ (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
++#define SND_SOC_DAPM_PRE_POST_PMU \
++ (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)
+
+ /* convenience event type detection */
+ #define SND_SOC_DAPM_EVENT_ON(e) \
+diff --git a/kernel/elfcore.c b/kernel/elfcore.c
+index e556751d15d9..a2b29b9bdfcb 100644
+--- a/kernel/elfcore.c
++++ b/kernel/elfcore.c
+@@ -2,6 +2,7 @@
+ #include <linux/fs.h>
+ #include <linux/mm.h>
+ #include <linux/binfmts.h>
++#include <linux/elfcore.h>
+
+ Elf_Half __weak elf_core_extra_phdrs(void)
+ {
+diff --git a/kernel/fork.c b/kernel/fork.c
+index bd6aad92819a..a6dc6b3f6a01 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -2152,7 +2152,7 @@ int sysctl_max_threads(struct ctl_table *table, int write,
+ struct ctl_table t;
+ int ret;
+ int threads = max_threads;
+- int min = MIN_THREADS;
++ int min = 1;
+ int max = MAX_THREADS;
+
+ t = *table;
+@@ -2164,7 +2164,7 @@ int sysctl_max_threads(struct ctl_table *table, int write,
+ if (ret || !write)
+ return ret;
+
+- set_max_threads(threads);
++ max_threads = threads;
+
+ return 0;
+ }
+diff --git a/kernel/panic.c b/kernel/panic.c
+index 1d07cf9af849..dde00886c896 100644
+--- a/kernel/panic.c
++++ b/kernel/panic.c
+@@ -84,6 +84,7 @@ void panic(const char *fmt, ...)
+ * after the panic_lock is acquired) from invoking panic again.
+ */
+ local_irq_disable();
++ preempt_disable_notrace();
+
+ /*
+ * It's possible to come here directly from a panic-assertion and
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index c82ebd11414a..c6e4e3e7f685 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -3370,9 +3370,14 @@ static int show_traces_open(struct inode *inode, struct file *file)
+ if (tracing_disabled)
+ return -ENODEV;
+
++ if (trace_array_get(tr) < 0)
++ return -ENODEV;
++
+ ret = seq_open(file, &show_traces_seq_ops);
+- if (ret)
++ if (ret) {
++ trace_array_put(tr);
+ return ret;
++ }
+
+ m = file->private_data;
+ m->private = tr;
+@@ -3380,6 +3385,14 @@ static int show_traces_open(struct inode *inode, struct file *file)
+ return 0;
+ }
+
++static int show_traces_release(struct inode *inode, struct file *file)
++{
++ struct trace_array *tr = inode->i_private;
++
++ trace_array_put(tr);
++ return seq_release(inode, file);
++}
++
+ static ssize_t
+ tracing_write_stub(struct file *filp, const char __user *ubuf,
+ size_t count, loff_t *ppos)
+@@ -3410,8 +3423,8 @@ static const struct file_operations tracing_fops = {
+ static const struct file_operations show_traces_fops = {
+ .open = show_traces_open,
+ .read = seq_read,
+- .release = seq_release,
+ .llseek = seq_lseek,
++ .release = show_traces_release,
+ };
+
+ static ssize_t
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index 1968998e6c6c..95c8e682b491 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -210,6 +210,36 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
+ return __cfg80211_rdev_from_attrs(netns, info->attrs);
+ }
+
++static int validate_beacon_head(const struct nlattr *attr)
++{
++ const u8 *data = nla_data(attr);
++ unsigned int len = nla_len(attr);
++ const struct element *elem;
++ const struct ieee80211_mgmt *mgmt = (void *)data;
++ unsigned int fixedlen = offsetof(struct ieee80211_mgmt,
++ u.beacon.variable);
++
++ if (len < fixedlen)
++ goto err;
++
++ if (ieee80211_hdrlen(mgmt->frame_control) !=
++ offsetof(struct ieee80211_mgmt, u.beacon))
++ goto err;
++
++ data += fixedlen;
++ len -= fixedlen;
++
++ for_each_element(elem, data, len) {
++ /* nothing */
++ }
++
++ if (for_each_element_completed(elem, data, len))
++ return 0;
++
++err:
++ return -EINVAL;
++}
++
+ /* policy for the attributes */
+ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+ [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
+@@ -1934,6 +1964,8 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
+
+ control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+
++ memset(chandef, 0, sizeof(*chandef));
++
+ chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
+ chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+ chandef->center_freq1 = control_freq;
+@@ -2402,7 +2434,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
+
+ if (rdev->ops->get_channel) {
+ int ret;
+- struct cfg80211_chan_def chandef;
++ struct cfg80211_chan_def chandef = {};
+
+ ret = rdev_get_channel(rdev, wdev, &chandef);
+ if (ret == 0) {
+@@ -3212,6 +3244,11 @@ static int nl80211_parse_beacon(struct nlattr *attrs[],
+ memset(bcn, 0, sizeof(*bcn));
+
+ if (attrs[NL80211_ATTR_BEACON_HEAD]) {
++ int ret = validate_beacon_head(attrs[NL80211_ATTR_BEACON_HEAD]);
++
++ if (ret)
++ return ret;
++
+ bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
+ bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
+ if (!bcn->head_len)
+diff --git a/net/wireless/reg.c b/net/wireless/reg.c
+index 6a670a373e29..437ec52d5e71 100644
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -1604,7 +1604,7 @@ static void reg_call_notifier(struct wiphy *wiphy,
+
+ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
+ {
+- struct cfg80211_chan_def chandef;
++ struct cfg80211_chan_def chandef = {};
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ enum nl80211_iftype iftype;
+
+diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
+index fd682832a0e3..cd119943612b 100644
+--- a/net/wireless/wext-compat.c
++++ b/net/wireless/wext-compat.c
+@@ -821,7 +821,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
+ {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+- struct cfg80211_chan_def chandef;
++ struct cfg80211_chan_def chandef = {};
+ int ret;
+
+ switch (wdev->iftype) {
+diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
+index a29209fa5674..5c87baaefafb 100644
+--- a/security/integrity/ima/ima_crypto.c
++++ b/security/integrity/ima/ima_crypto.c
+@@ -298,8 +298,11 @@ static int ima_calc_file_hash_atfm(struct file *file,
+ rbuf_len = min_t(loff_t, i_size - offset, rbuf_size[active]);
+ rc = integrity_kernel_read(file, offset, rbuf[active],
+ rbuf_len);
+- if (rc != rbuf_len)
++ if (rc != rbuf_len) {
++ if (rc >= 0)
++ rc = -EINVAL;
+ goto out3;
++ }
+
+ if (rbuf[1] && offset) {
+ /* Using two buffers, and it is not the first
+diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
+index 549f853c4092..4808b70ec12c 100644
+--- a/sound/soc/codecs/sgtl5000.c
++++ b/sound/soc/codecs/sgtl5000.c
+@@ -35,6 +35,13 @@
+ #define SGTL5000_DAP_REG_OFFSET 0x0100
+ #define SGTL5000_MAX_REG_OFFSET 0x013A
+
++/* Delay for the VAG ramp up */
++#define SGTL5000_VAG_POWERUP_DELAY 500 /* ms */
++/* Delay for the VAG ramp down */
++#define SGTL5000_VAG_POWERDOWN_DELAY 500 /* ms */
++
++#define SGTL5000_OUTPUTS_MUTE (SGTL5000_HP_MUTE | SGTL5000_LINE_OUT_MUTE)
++
+ /* default value of sgtl5000 registers */
+ static const struct reg_default sgtl5000_reg_defaults[] = {
+ { SGTL5000_CHIP_DIG_POWER, 0x0000 },
+@@ -129,6 +136,13 @@ enum sgtl5000_micbias_resistor {
+ SGTL5000_MICBIAS_8K = 8,
+ };
+
++enum {
++ HP_POWER_EVENT,
++ DAC_POWER_EVENT,
++ ADC_POWER_EVENT,
++ LAST_POWER_EVENT = ADC_POWER_EVENT
++};
++
+ /* sgtl5000 private structure in codec */
+ struct sgtl5000_priv {
+ int sysclk; /* sysclk rate */
+@@ -141,8 +155,117 @@ struct sgtl5000_priv {
+ int revision;
+ u8 micbias_resistor;
+ u8 micbias_voltage;
++ u16 mute_state[LAST_POWER_EVENT + 1];
+ };
+
++static inline int hp_sel_input(struct snd_soc_component *component)
++{
++ unsigned int ana_reg = 0;
++
++ snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &ana_reg);
++
++ return (ana_reg & SGTL5000_HP_SEL_MASK) >> SGTL5000_HP_SEL_SHIFT;
++}
++
++static inline u16 mute_output(struct snd_soc_component *component,
++ u16 mute_mask)
++{
++ unsigned int mute_reg = 0;
++
++ snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &mute_reg);
++
++ snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
++ mute_mask, mute_mask);
++ return mute_reg;
++}
++
++static inline void restore_output(struct snd_soc_component *component,
++ u16 mute_mask, u16 mute_reg)
++{
++ snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
++ mute_mask, mute_reg);
++}
++
++static void vag_power_on(struct snd_soc_component *component, u32 source)
++{
++ unsigned int ana_reg = 0;
++
++ snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_reg);
++
++ if (ana_reg & SGTL5000_VAG_POWERUP)
++ return;
++
++ snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER,
++ SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
++
++ /* When VAG powering on to get local loop from Line-In, the sleep
++ * is required to avoid loud pop.
++ */
++ if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN &&
++ source == HP_POWER_EVENT)
++ msleep(SGTL5000_VAG_POWERUP_DELAY);
++}
++
++static int vag_power_consumers(struct snd_soc_component *component,
++ u16 ana_pwr_reg, u32 source)
++{
++ int consumers = 0;
++
++ /* count dac/adc consumers unconditional */
++ if (ana_pwr_reg & SGTL5000_DAC_POWERUP)
++ consumers++;
++ if (ana_pwr_reg & SGTL5000_ADC_POWERUP)
++ consumers++;
++
++ /*
++ * If the event comes from HP and Line-In is selected,
++ * current action is 'DAC to be powered down'.
++ * As HP_POWERUP is not set when HP muxed to line-in,
++ * we need to keep VAG power ON.
++ */
++ if (source == HP_POWER_EVENT) {
++ if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN)
++ consumers++;
++ } else {
++ if (ana_pwr_reg & SGTL5000_HP_POWERUP)
++ consumers++;
++ }
++
++ return consumers;
++}
++
++static void vag_power_off(struct snd_soc_component *component, u32 source)
++{
++ unsigned int ana_pwr = SGTL5000_VAG_POWERUP;
++
++ snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_pwr);
++
++ if (!(ana_pwr & SGTL5000_VAG_POWERUP))
++ return;
++
++ /*
++ * This function calls when any of VAG power consumers is disappearing.
++ * Thus, if there is more than one consumer at the moment, as minimum
++ * one consumer will definitely stay after the end of the current
++ * event.
++ * Don't clear VAG_POWERUP if 2 or more consumers of VAG present:
++ * - LINE_IN (for HP events) / HP (for DAC/ADC events)
++ * - DAC
++ * - ADC
++ * (the current consumer is disappearing right now)
++ */
++ if (vag_power_consumers(component, ana_pwr, source) >= 2)
++ return;
++
++ snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER,
++ SGTL5000_VAG_POWERUP, 0);
++ /* In power down case, we need wait 400-1000 ms
++ * when VAG fully ramped down.
++ * As longer we wait, as smaller pop we've got.
++ */
++ msleep(SGTL5000_VAG_POWERDOWN_DELAY);
++}
++
+ /*
+ * mic_bias power on/off share the same register bits with
+ * output impedance of mic bias, when power on mic bias, we
+@@ -174,36 +297,46 @@ static int mic_bias_event(struct snd_soc_dapm_widget *w,
+ return 0;
+ }
+
+-/*
+- * As manual described, ADC/DAC only works when VAG powerup,
+- * So enabled VAG before ADC/DAC up.
+- * In power down case, we need wait 400ms when vag fully ramped down.
+- */
+-static int power_vag_event(struct snd_soc_dapm_widget *w,
+- struct snd_kcontrol *kcontrol, int event)
++static int vag_and_mute_control(struct snd_soc_component *component,
++ int event, int event_source)
+ {
+- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+- const u32 mask = SGTL5000_DAC_POWERUP | SGTL5000_ADC_POWERUP;
++ static const u16 mute_mask[] = {
++ /*
++ * Mask for HP_POWER_EVENT.
++ * Muxing Headphones have to be wrapped with mute/unmute
++ * headphones only.
++ */
++ SGTL5000_HP_MUTE,
++ /*
++ * Masks for DAC_POWER_EVENT/ADC_POWER_EVENT.
++ * Muxing DAC or ADC block have to be wrapped with mute/unmute
++ * both headphones and line-out.
++ */
++ SGTL5000_OUTPUTS_MUTE,
++ SGTL5000_OUTPUTS_MUTE
++ };
++
++ struct sgtl5000_priv *sgtl5000 =
++ snd_soc_component_get_drvdata(component);
+
+ switch (event) {
++ case SND_SOC_DAPM_PRE_PMU:
++ sgtl5000->mute_state[event_source] =
++ mute_output(component, mute_mask[event_source]);
++ break;
+ case SND_SOC_DAPM_POST_PMU:
+- snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
+- SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
+- msleep(400);
++ vag_power_on(component, event_source);
++ restore_output(component, mute_mask[event_source],
++ sgtl5000->mute_state[event_source]);
+ break;
+-
+ case SND_SOC_DAPM_PRE_PMD:
+- /*
+- * Don't clear VAG_POWERUP, when both DAC and ADC are
+- * operational to prevent inadvertently starving the
+- * other one of them.
+- */
+- if ((snd_soc_read(codec, SGTL5000_CHIP_ANA_POWER) &
+- mask) != mask) {
+- snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
+- SGTL5000_VAG_POWERUP, 0);
+- msleep(400);
+- }
++ sgtl5000->mute_state[event_source] =
++ mute_output(component, mute_mask[event_source]);
++ vag_power_off(component, event_source);
++ break;
++ case SND_SOC_DAPM_POST_PMD:
++ restore_output(component, mute_mask[event_source],
++ sgtl5000->mute_state[event_source]);
+ break;
+ default:
+ break;
+@@ -212,6 +345,41 @@ static int power_vag_event(struct snd_soc_dapm_widget *w,
+ return 0;
+ }
+
++/*
++ * Mute Headphone when power it up/down.
++ * Control VAG power on HP power path.
++ */
++static int headphone_pga_event(struct snd_soc_dapm_widget *w,
++ struct snd_kcontrol *kcontrol, int event)
++{
++ struct snd_soc_component *component =
++ snd_soc_dapm_to_component(w->dapm);
++
++ return vag_and_mute_control(component, event, HP_POWER_EVENT);
++}
++
++/* As manual describes, ADC/DAC powering up/down requires
++ * to mute outputs to avoid pops.
++ * Control VAG power on ADC/DAC power path.
++ */
++static int adc_updown_depop(struct snd_soc_dapm_widget *w,
++ struct snd_kcontrol *kcontrol, int event)
++{
++ struct snd_soc_component *component =
++ snd_soc_dapm_to_component(w->dapm);
++
++ return vag_and_mute_control(component, event, ADC_POWER_EVENT);
++}
++
++static int dac_updown_depop(struct snd_soc_dapm_widget *w,
++ struct snd_kcontrol *kcontrol, int event)
++{
++ struct snd_soc_component *component =
++ snd_soc_dapm_to_component(w->dapm);
++
++ return vag_and_mute_control(component, event, DAC_POWER_EVENT);
++}
++
+ /* input sources for ADC */
+ static const char *adc_mux_text[] = {
+ "MIC_IN", "LINE_IN"
+@@ -247,7 +415,10 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
+ mic_bias_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+- SND_SOC_DAPM_PGA("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0),
++ SND_SOC_DAPM_PGA_E("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0,
++ headphone_pga_event,
++ SND_SOC_DAPM_PRE_POST_PMU |
++ SND_SOC_DAPM_PRE_POST_PMD),
+ SND_SOC_DAPM_PGA("LO", SGTL5000_CHIP_ANA_POWER, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, &adc_mux),
+@@ -263,11 +434,12 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
+ 0, SGTL5000_CHIP_DIG_POWER,
+ 1, 0),
+
+- SND_SOC_DAPM_ADC("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0),
+- SND_SOC_DAPM_DAC("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0),
+-
+- SND_SOC_DAPM_PRE("VAG_POWER_PRE", power_vag_event),
+- SND_SOC_DAPM_POST("VAG_POWER_POST", power_vag_event),
++ SND_SOC_DAPM_ADC_E("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0,
++ adc_updown_depop, SND_SOC_DAPM_PRE_POST_PMU |
++ SND_SOC_DAPM_PRE_POST_PMD),
++ SND_SOC_DAPM_DAC_E("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0,
++ dac_updown_depop, SND_SOC_DAPM_PRE_POST_PMU |
++ SND_SOC_DAPM_PRE_POST_PMD),
+ };
+
+ /* routes for sgtl5000 */
+diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
+index df3c73e9dea4..9954b069b3ca 100644
+--- a/tools/lib/traceevent/event-parse.c
++++ b/tools/lib/traceevent/event-parse.c
+@@ -265,10 +265,10 @@ static int add_new_comm(struct pevent *pevent, const char *comm, int pid)
+ errno = ENOMEM;
+ return -1;
+ }
++ pevent->cmdlines = cmdlines;
+
+ cmdlines[pevent->cmdline_count].comm = strdup(comm);
+ if (!cmdlines[pevent->cmdline_count].comm) {
+- free(cmdlines);
+ errno = ENOMEM;
+ return -1;
+ }
+@@ -279,7 +279,6 @@ static int add_new_comm(struct pevent *pevent, const char *comm, int pid)
+ pevent->cmdline_count++;
+
+ qsort(cmdlines, pevent->cmdline_count, sizeof(*cmdlines), cmdline_cmp);
+- pevent->cmdlines = cmdlines;
+
+ return 0;
+ }
+diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
+index e77880b5094d..65a6922db722 100644
+--- a/tools/perf/builtin-stat.c
++++ b/tools/perf/builtin-stat.c
+@@ -1416,7 +1416,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
+ run_idx + 1);
+
+ status = run_perf_stat(argc, argv);
+- if (forever && status != -1) {
++ if (forever && status != -1 && !interval) {
+ print_counters(NULL, argc, argv);
+ perf_stat__reset_stats();
+ }
+diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
+index 62f6d7dc2dda..9d02aa93ef90 100644
+--- a/tools/perf/util/llvm-utils.c
++++ b/tools/perf/util/llvm-utils.c
+@@ -214,14 +214,14 @@ static int detect_kbuild_dir(char **kbuild_dir)
+ const char *prefix_dir = "";
+ const char *suffix_dir = "";
+
++ /* _UTSNAME_LENGTH is 65 */
++ char release[128];
++
+ char *autoconf_path;
+
+ int err;
+
+ if (!test_dir) {
+- /* _UTSNAME_LENGTH is 65 */
+- char release[128];
+-
+ err = fetch_kernel_version(NULL, release,
+ sizeof(release));
+ if (err)
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