From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.19 commit in: /
Date: Fri, 29 Jul 2022 15:28:13 +0000 (UTC) [thread overview]
Message-ID: <1659108479.c31b1ff3d3e2e4c076dac2c2a63ef9bdcd45af18.mpagano@gentoo> (raw)
commit: c31b1ff3d3e2e4c076dac2c2a63ef9bdcd45af18
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 29 15:27:59 2022 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Jul 29 15:27:59 2022 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=c31b1ff3
Linux patch 4.19.254
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1253_linux-4.19.254.patch | 2601 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 2605 insertions(+)
diff --git a/0000_README b/0000_README
index fc61f80f..373ac001 100644
--- a/0000_README
+++ b/0000_README
@@ -1055,6 +1055,10 @@ Patch: 1252_linux-4.19.253.patch
From: https://www.kernel.org
Desc: Linux 4.19.253
+Patch: 1253_linux-4.19.254.patch
+From: https://www.kernel.org
+Desc: Linux 4.19.254
+
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/1253_linux-4.19.254.patch b/1253_linux-4.19.254.patch
new file mode 100644
index 00000000..f0f6dab6
--- /dev/null
+++ b/1253_linux-4.19.254.patch
@@ -0,0 +1,2601 @@
+diff --git a/Makefile b/Makefile
+index 7ae832b9156ff..c7a0dc943e74c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 253
++SUBLEVEL = 254
+ EXTRAVERSION =
+ NAME = "People's Front"
+
+diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
+index 438b10c44d732..2b7a314b84522 100644
+--- a/arch/alpha/kernel/srmcons.c
++++ b/arch/alpha/kernel/srmcons.c
+@@ -59,7 +59,7 @@ srmcons_do_receive_chars(struct tty_port *port)
+ } while((result.bits.status & 1) && (++loops < 10));
+
+ if (count)
+- tty_schedule_flip(port);
++ tty_flip_buffer_push(port);
+
+ return count;
+ }
+diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
+index 110be14e61226..b6c972941881b 100644
+--- a/arch/riscv/Makefile
++++ b/arch/riscv/Makefile
+@@ -66,6 +66,7 @@ ifeq ($(CONFIG_MODULE_SECTIONS),y)
+ endif
+
+ KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
++KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
+
+ # GCC versions that support the "-mstrict-align" option default to allowing
+ # unaligned accesses. While unaligned accesses are explicitly allowed in the
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index bac4dc501dc4d..2be38780a7f71 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -183,8 +183,8 @@ static void __cold process_random_ready_list(void)
+
+ #define warn_unseeded_randomness() \
+ if (IS_ENABLED(CONFIG_WARN_ALL_UNSEEDED_RANDOM) && !crng_ready()) \
+- pr_notice("%s called from %pS with crng_init=%d\n", \
+- __func__, (void *)_RET_IP_, crng_init)
++ printk_deferred(KERN_NOTICE "random: %s called from %pS with crng_init=%d\n", \
++ __func__, (void *)_RET_IP_, crng_init)
+
+
+ /*********************************************************************
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+index 1067e702c22c7..31a2d1ecce3e7 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+@@ -657,9 +657,6 @@ static bool tilcdc_crtc_mode_fixup(struct drm_crtc *crtc,
+ static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+ {
+- struct drm_display_mode *mode = &state->mode;
+- int ret;
+-
+ /* If we are not active we don't care */
+ if (!state->active)
+ return 0;
+@@ -671,12 +668,6 @@ static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc,
+ return -EINVAL;
+ }
+
+- ret = tilcdc_crtc_mode_valid(crtc, mode);
+- if (ret) {
+- dev_dbg(crtc->dev->dev, "Mode \"%s\" not valid", mode->name);
+- return -EINVAL;
+- }
+-
+ return 0;
+ }
+
+@@ -728,13 +719,6 @@ static const struct drm_crtc_funcs tilcdc_crtc_funcs = {
+ .disable_vblank = tilcdc_crtc_disable_vblank,
+ };
+
+-static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = {
+- .mode_fixup = tilcdc_crtc_mode_fixup,
+- .atomic_check = tilcdc_crtc_atomic_check,
+- .atomic_enable = tilcdc_crtc_atomic_enable,
+- .atomic_disable = tilcdc_crtc_atomic_disable,
+-};
+-
+ int tilcdc_crtc_max_width(struct drm_crtc *crtc)
+ {
+ struct drm_device *dev = crtc->dev;
+@@ -749,7 +733,9 @@ int tilcdc_crtc_max_width(struct drm_crtc *crtc)
+ return max_width;
+ }
+
+-int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode)
++static enum drm_mode_status
++tilcdc_crtc_mode_valid(struct drm_crtc *crtc,
++ const struct drm_display_mode *mode)
+ {
+ struct tilcdc_drm_private *priv = crtc->dev->dev_private;
+ unsigned int bandwidth;
+@@ -837,6 +823,14 @@ int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode)
+ return MODE_OK;
+ }
+
++static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = {
++ .mode_valid = tilcdc_crtc_mode_valid,
++ .mode_fixup = tilcdc_crtc_mode_fixup,
++ .atomic_check = tilcdc_crtc_atomic_check,
++ .atomic_enable = tilcdc_crtc_atomic_enable,
++ .atomic_disable = tilcdc_crtc_atomic_disable,
++};
++
+ void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,
+ const struct tilcdc_panel_info *info)
+ {
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+index e1868776da252..96457fe2b8d5b 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+@@ -202,7 +202,6 @@ static void tilcdc_fini(struct drm_device *dev)
+
+ drm_irq_uninstall(dev);
+ drm_mode_config_cleanup(dev);
+- tilcdc_remove_external_device(dev);
+
+ if (priv->clk)
+ clk_put(priv->clk);
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+index ead5122166699..35558bbd5cd88 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
++++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+@@ -89,7 +89,6 @@ struct tilcdc_drm_private {
+
+ struct drm_encoder *external_encoder;
+ struct drm_connector *external_connector;
+- const struct drm_connector_helper_funcs *connector_funcs;
+
+ bool is_registered;
+ bool is_componentized;
+@@ -171,7 +170,6 @@ void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,
+ const struct tilcdc_panel_info *info);
+ void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc,
+ bool simulate_vesa_sync);
+-int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode);
+ int tilcdc_crtc_max_width(struct drm_crtc *crtc);
+ void tilcdc_crtc_shutdown(struct drm_crtc *crtc);
+ int tilcdc_crtc_update_fb(struct drm_crtc *crtc,
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c
+index b4eaf9bc87f8e..9c1be0635b538 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_external.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c
+@@ -40,64 +40,6 @@ static const struct tilcdc_panel_info panel_info_default = {
+ .raster_order = 0,
+ };
+
+-static int tilcdc_external_mode_valid(struct drm_connector *connector,
+- struct drm_display_mode *mode)
+-{
+- struct tilcdc_drm_private *priv = connector->dev->dev_private;
+- int ret;
+-
+- ret = tilcdc_crtc_mode_valid(priv->crtc, mode);
+- if (ret != MODE_OK)
+- return ret;
+-
+- BUG_ON(priv->external_connector != connector);
+- BUG_ON(!priv->connector_funcs);
+-
+- /* If the connector has its own mode_valid call it. */
+- if (!IS_ERR(priv->connector_funcs) &&
+- priv->connector_funcs->mode_valid)
+- return priv->connector_funcs->mode_valid(connector, mode);
+-
+- return MODE_OK;
+-}
+-
+-static int tilcdc_add_external_connector(struct drm_device *dev,
+- struct drm_connector *connector)
+-{
+- struct tilcdc_drm_private *priv = dev->dev_private;
+- struct drm_connector_helper_funcs *connector_funcs;
+-
+- /* There should never be more than one connector */
+- if (WARN_ON(priv->external_connector))
+- return -EINVAL;
+-
+- priv->external_connector = connector;
+- connector_funcs = devm_kzalloc(dev->dev, sizeof(*connector_funcs),
+- GFP_KERNEL);
+- if (!connector_funcs)
+- return -ENOMEM;
+-
+- /* connector->helper_private contains always struct
+- * connector_helper_funcs pointer. For tilcdc crtc to have a
+- * say if a specific mode is Ok, we need to install our own
+- * helper functions. In our helper functions we copy
+- * everything else but use our own mode_valid() (above).
+- */
+- if (connector->helper_private) {
+- priv->connector_funcs = connector->helper_private;
+- *connector_funcs = *priv->connector_funcs;
+- } else {
+- priv->connector_funcs = ERR_PTR(-ENOENT);
+- }
+- connector_funcs->mode_valid = tilcdc_external_mode_valid;
+- drm_connector_helper_add(connector, connector_funcs);
+-
+- dev_dbg(dev->dev, "External connector '%s' connected\n",
+- connector->name);
+-
+- return 0;
+-}
+-
+ static
+ struct drm_connector *tilcdc_encoder_find_connector(struct drm_device *ddev,
+ struct drm_encoder *encoder)
+@@ -118,40 +60,30 @@ struct drm_connector *tilcdc_encoder_find_connector(struct drm_device *ddev,
+ int tilcdc_add_component_encoder(struct drm_device *ddev)
+ {
+ struct tilcdc_drm_private *priv = ddev->dev_private;
+- struct drm_connector *connector;
+- struct drm_encoder *encoder;
++ struct drm_encoder *encoder = NULL, *iter;
+
+- list_for_each_entry(encoder, &ddev->mode_config.encoder_list, head)
+- if (encoder->possible_crtcs & (1 << priv->crtc->index))
++ list_for_each_entry(iter, &ddev->mode_config.encoder_list, head)
++ if (iter->possible_crtcs & (1 << priv->crtc->index)) {
++ encoder = iter;
+ break;
++ }
+
+ if (!encoder) {
+ dev_err(ddev->dev, "%s: No suitable encoder found\n", __func__);
+ return -ENODEV;
+ }
+
+- connector = tilcdc_encoder_find_connector(ddev, encoder);
++ priv->external_connector =
++ tilcdc_encoder_find_connector(ddev, encoder);
+
+- if (!connector)
++ if (!priv->external_connector)
+ return -ENODEV;
+
+ /* Only tda998x is supported at the moment. */
+ tilcdc_crtc_set_simulate_vesa_sync(priv->crtc, true);
+ tilcdc_crtc_set_panel_info(priv->crtc, &panel_info_tda998x);
+
+- return tilcdc_add_external_connector(ddev, connector);
+-}
+-
+-void tilcdc_remove_external_device(struct drm_device *dev)
+-{
+- struct tilcdc_drm_private *priv = dev->dev_private;
+-
+- /* Restore the original helper functions, if any. */
+- if (IS_ERR(priv->connector_funcs))
+- drm_connector_helper_add(priv->external_connector, NULL);
+- else if (priv->connector_funcs)
+- drm_connector_helper_add(priv->external_connector,
+- priv->connector_funcs);
++ return 0;
+ }
+
+ static const struct drm_encoder_funcs tilcdc_external_encoder_funcs = {
+@@ -162,7 +94,6 @@ static
+ int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge)
+ {
+ struct tilcdc_drm_private *priv = ddev->dev_private;
+- struct drm_connector *connector;
+ int ret;
+
+ priv->external_encoder->possible_crtcs = BIT(0);
+@@ -175,13 +106,12 @@ int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge)
+
+ tilcdc_crtc_set_panel_info(priv->crtc, &panel_info_default);
+
+- connector = tilcdc_encoder_find_connector(ddev, priv->external_encoder);
+- if (!connector)
++ priv->external_connector =
++ tilcdc_encoder_find_connector(ddev, priv->external_encoder);
++ if (!priv->external_connector)
+ return -ENODEV;
+
+- ret = tilcdc_add_external_connector(ddev, connector);
+-
+- return ret;
++ return 0;
+ }
+
+ int tilcdc_attach_external_device(struct drm_device *ddev)
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.h b/drivers/gpu/drm/tilcdc/tilcdc_external.h
+index 763d18f006c74..a28b9df68c8fd 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_external.h
++++ b/drivers/gpu/drm/tilcdc/tilcdc_external.h
+@@ -19,7 +19,6 @@
+ #define __TILCDC_EXTERNAL_H__
+
+ int tilcdc_add_component_encoder(struct drm_device *dev);
+-void tilcdc_remove_external_device(struct drm_device *dev);
+ int tilcdc_get_external_components(struct device *dev,
+ struct component_match **match);
+ int tilcdc_attach_external_device(struct drm_device *ddev);
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+index 096a33f12c615..253c555e29974 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+@@ -174,14 +174,6 @@ static int panel_connector_get_modes(struct drm_connector *connector)
+ return i;
+ }
+
+-static int panel_connector_mode_valid(struct drm_connector *connector,
+- struct drm_display_mode *mode)
+-{
+- struct tilcdc_drm_private *priv = connector->dev->dev_private;
+- /* our only constraints are what the crtc can generate: */
+- return tilcdc_crtc_mode_valid(priv->crtc, mode);
+-}
+-
+ static struct drm_encoder *panel_connector_best_encoder(
+ struct drm_connector *connector)
+ {
+@@ -199,7 +191,6 @@ static const struct drm_connector_funcs panel_connector_funcs = {
+
+ static const struct drm_connector_helper_funcs panel_connector_helper_funcs = {
+ .get_modes = panel_connector_get_modes,
+- .mode_valid = panel_connector_mode_valid,
+ .best_encoder = panel_connector_best_encoder,
+ };
+
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
+index daebf1aa6b0a8..54c6d825b1a06 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
+@@ -183,14 +183,6 @@ static int tfp410_connector_get_modes(struct drm_connector *connector)
+ return ret;
+ }
+
+-static int tfp410_connector_mode_valid(struct drm_connector *connector,
+- struct drm_display_mode *mode)
+-{
+- struct tilcdc_drm_private *priv = connector->dev->dev_private;
+- /* our only constraints are what the crtc can generate: */
+- return tilcdc_crtc_mode_valid(priv->crtc, mode);
+-}
+-
+ static struct drm_encoder *tfp410_connector_best_encoder(
+ struct drm_connector *connector)
+ {
+@@ -209,7 +201,6 @@ static const struct drm_connector_funcs tfp410_connector_funcs = {
+
+ static const struct drm_connector_helper_funcs tfp410_connector_helper_funcs = {
+ .get_modes = tfp410_connector_get_modes,
+- .mode_valid = tfp410_connector_mode_valid,
+ .best_encoder = tfp410_connector_best_encoder,
+ };
+
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 8d4153c73f5cf..70079d29822b7 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -727,6 +727,8 @@
+ #define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067
+ #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085
+ #define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3
++#define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5
++#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d
+
+ #define USB_VENDOR_ID_LG 0x1fd2
+ #define USB_DEVICE_ID_LG_MULTITOUCH 0x0064
+diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
+index e99286258f62f..ce027eda9b178 100644
+--- a/drivers/hid/hid-multitouch.c
++++ b/drivers/hid/hid-multitouch.c
+@@ -72,6 +72,7 @@ MODULE_LICENSE("GPL");
+ #define MT_QUIRK_STICKY_FINGERS BIT(16)
+ #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17)
+ #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18)
++#define MT_QUIRK_SEPARATE_APP_REPORT BIT(19)
+
+ #define MT_INPUTMODE_TOUCHSCREEN 0x02
+ #define MT_INPUTMODE_TOUCHPAD 0x03
+@@ -107,6 +108,7 @@ struct mt_usages {
+ struct mt_application {
+ struct list_head list;
+ unsigned int application;
++ unsigned int report_id;
+ struct list_head mt_usages; /* mt usages list */
+
+ __s32 quirks;
+@@ -207,6 +209,7 @@ static void mt_post_parse(struct mt_device *td, struct mt_application *app);
+ #define MT_CLS_VTL 0x0110
+ #define MT_CLS_GOOGLE 0x0111
+ #define MT_CLS_RAZER_BLADE_STEALTH 0x0112
++#define MT_CLS_SMART_TECH 0x0113
+
+ #define MT_DEFAULT_MAXCONTACT 10
+ #define MT_MAX_MAXCONTACT 250
+@@ -357,6 +360,12 @@ static const struct mt_class mt_classes[] = {
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_WIN8_PTP_BUTTONS,
+ },
++ { .name = MT_CLS_SMART_TECH,
++ .quirks = MT_QUIRK_ALWAYS_VALID |
++ MT_QUIRK_IGNORE_DUPLICATES |
++ MT_QUIRK_CONTACT_CNT_ACCURATE |
++ MT_QUIRK_SEPARATE_APP_REPORT,
++ },
+ { }
+ };
+
+@@ -513,8 +522,9 @@ static struct mt_usages *mt_allocate_usage(struct hid_device *hdev,
+ }
+
+ static struct mt_application *mt_allocate_application(struct mt_device *td,
+- unsigned int application)
++ struct hid_report *report)
+ {
++ unsigned int application = report->application;
+ struct mt_application *mt_application;
+
+ mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application),
+@@ -539,6 +549,7 @@ static struct mt_application *mt_allocate_application(struct mt_device *td,
+ mt_application->scantime = DEFAULT_ZERO;
+ mt_application->raw_cc = DEFAULT_ZERO;
+ mt_application->quirks = td->mtclass.quirks;
++ mt_application->report_id = report->id;
+
+ list_add_tail(&mt_application->list, &td->applications);
+
+@@ -546,19 +557,23 @@ static struct mt_application *mt_allocate_application(struct mt_device *td,
+ }
+
+ static struct mt_application *mt_find_application(struct mt_device *td,
+- unsigned int application)
++ struct hid_report *report)
+ {
++ unsigned int application = report->application;
+ struct mt_application *tmp, *mt_application = NULL;
+
+ list_for_each_entry(tmp, &td->applications, list) {
+ if (application == tmp->application) {
+- mt_application = tmp;
+- break;
++ if (!(td->mtclass.quirks & MT_QUIRK_SEPARATE_APP_REPORT) ||
++ tmp->report_id == report->id) {
++ mt_application = tmp;
++ break;
++ }
+ }
+ }
+
+ if (!mt_application)
+- mt_application = mt_allocate_application(td, application);
++ mt_application = mt_allocate_application(td, report);
+
+ return mt_application;
+ }
+@@ -575,7 +590,7 @@ static struct mt_report_data *mt_allocate_report_data(struct mt_device *td,
+ return NULL;
+
+ rdata->report = report;
+- rdata->application = mt_find_application(td, report->application);
++ rdata->application = mt_find_application(td, report);
+
+ if (!rdata->application) {
+ devm_kfree(&td->hdev->dev, rdata);
+@@ -1332,6 +1347,13 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ return mt_touch_input_mapping(hdev, hi, field, usage, bit, max,
+ application);
+
++ /*
++ * some egalax touchscreens have "application == DG_TOUCHSCREEN"
++ * for the stylus. Overwrite the hid_input application
++ */
++ if (field->physical == HID_DG_STYLUS)
++ hi->application = HID_DG_STYLUS;
++
+ /* let hid-core decide for the others */
+ return 0;
+ }
+@@ -1520,14 +1542,12 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
+ struct mt_device *td = hid_get_drvdata(hdev);
+ char *name;
+ const char *suffix = NULL;
+- unsigned int application = 0;
+ struct mt_report_data *rdata;
+ struct mt_application *mt_application = NULL;
+ struct hid_report *report;
+ int ret;
+
+ list_for_each_entry(report, &hi->reports, hidinput_list) {
+- application = report->application;
+ rdata = mt_find_report_data(td, report);
+ if (!rdata) {
+ hid_err(hdev, "failed to allocate data for report\n");
+@@ -1542,46 +1562,36 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
+ if (ret)
+ return ret;
+ }
+-
+- /*
+- * some egalax touchscreens have "application == DG_TOUCHSCREEN"
+- * for the stylus. Check this first, and then rely on
+- * the application field.
+- */
+- if (report->field[0]->physical == HID_DG_STYLUS) {
+- suffix = "Pen";
+- /* force BTN_STYLUS to allow tablet matching in udev */
+- __set_bit(BTN_STYLUS, hi->input->keybit);
+- }
+ }
+
+- if (!suffix) {
+- switch (application) {
+- case HID_GD_KEYBOARD:
+- case HID_GD_KEYPAD:
+- case HID_GD_MOUSE:
+- case HID_DG_TOUCHPAD:
+- case HID_GD_SYSTEM_CONTROL:
+- case HID_CP_CONSUMER_CONTROL:
+- case HID_GD_WIRELESS_RADIO_CTLS:
+- case HID_GD_SYSTEM_MULTIAXIS:
+- /* already handled by hid core */
+- break;
+- case HID_DG_TOUCHSCREEN:
+- /* we do not set suffix = "Touchscreen" */
+- hi->input->name = hdev->name;
+- break;
+- case HID_DG_STYLUS:
+- /* force BTN_STYLUS to allow tablet matching in udev */
+- __set_bit(BTN_STYLUS, hi->input->keybit);
+- break;
+- case HID_VD_ASUS_CUSTOM_MEDIA_KEYS:
+- suffix = "Custom Media Keys";
+- break;
+- default:
+- suffix = "UNKNOWN";
+- break;
+- }
++ switch (hi->application) {
++ case HID_GD_KEYBOARD:
++ case HID_GD_KEYPAD:
++ case HID_GD_MOUSE:
++ case HID_DG_TOUCHPAD:
++ case HID_GD_SYSTEM_CONTROL:
++ case HID_CP_CONSUMER_CONTROL:
++ case HID_GD_WIRELESS_RADIO_CTLS:
++ case HID_GD_SYSTEM_MULTIAXIS:
++ /* already handled by hid core */
++ break;
++ case HID_DG_TOUCHSCREEN:
++ /* we do not set suffix = "Touchscreen" */
++ hi->input->name = hdev->name;
++ break;
++ case HID_DG_STYLUS:
++ /* force BTN_STYLUS to allow tablet matching in udev */
++ __set_bit(BTN_STYLUS, hi->input->keybit);
++ break;
++ case HID_VD_ASUS_CUSTOM_MEDIA_KEYS:
++ suffix = "Custom Media Keys";
++ break;
++ case HID_DG_PEN:
++ suffix = "Stylus";
++ break;
++ default:
++ suffix = "UNKNOWN";
++ break;
+ }
+
+ if (suffix) {
+@@ -1805,6 +1815,12 @@ static const struct hid_device_id mt_devices[] = {
+ USB_VENDOR_ID_LENOVO,
+ USB_DEVICE_ID_LENOVO_X1_TAB) },
+
++ /* Lenovo X1 TAB Gen 3 */
++ { .driver_data = MT_CLS_WIN_8_DUAL,
++ HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
++ USB_VENDOR_ID_LENOVO,
++ USB_DEVICE_ID_LENOVO_X1_TAB3) },
++
+ /* Anton devices */
+ { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
+ MT_USB_DEVICE(USB_VENDOR_ID_ANTON,
+@@ -2040,6 +2056,10 @@ static const struct hid_device_id mt_devices[] = {
+ HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_SYNAPTICS, 0x8323) },
+
++ /* Smart Tech panels */
++ { .driver_data = MT_CLS_SMART_TECH,
++ MT_USB_DEVICE(0x0b8c, 0x0092)},
++
+ /* Stantum panels */
+ { .driver_data = MT_CLS_CONFIDENCE,
+ MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
+diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
+index 48e9761d4ace9..c1b76ba85fb44 100644
+--- a/drivers/hid/hid-quirks.c
++++ b/drivers/hid/hid-quirks.c
+@@ -111,6 +111,7 @@ static const struct hid_device_id hid_quirks[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2), HID_QUIRK_MULTI_INPUT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912), HID_QUIRK_MULTI_INPUT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE_ID2), HID_QUIRK_ALWAYS_POLL },
++ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D), HID_QUIRK_ALWAYS_POLL },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C007), HID_QUIRK_ALWAYS_POLL },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077), HID_QUIRK_ALWAYS_POLL },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KEYBOARD_G710_PLUS), HID_QUIRK_NOGET },
+diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
+index 273f57e277b3d..512c61d31fe5c 100644
+--- a/drivers/i2c/busses/i2c-cadence.c
++++ b/drivers/i2c/busses/i2c-cadence.c
+@@ -203,9 +203,9 @@ static inline bool cdns_is_holdquirk(struct cdns_i2c *id, bool hold_wrkaround)
+ */
+ static irqreturn_t cdns_i2c_isr(int irq, void *ptr)
+ {
+- unsigned int isr_status, avail_bytes, updatetx;
++ unsigned int isr_status, avail_bytes;
+ unsigned int bytes_to_send;
+- bool hold_quirk;
++ bool updatetx;
+ struct cdns_i2c *id = ptr;
+ /* Signal completion only after everything is updated */
+ int done_flag = 0;
+@@ -224,11 +224,7 @@ static irqreturn_t cdns_i2c_isr(int irq, void *ptr)
+ * Check if transfer size register needs to be updated again for a
+ * large data receive operation.
+ */
+- updatetx = 0;
+- if (id->recv_count > id->curr_recv_count)
+- updatetx = 1;
+-
+- hold_quirk = (id->quirks & CDNS_I2C_BROKEN_HOLD_BIT) && updatetx;
++ updatetx = id->recv_count > id->curr_recv_count;
+
+ /* When receiving, handle data interrupt and completion interrupt */
+ if (id->p_recv_buf &&
+@@ -251,7 +247,7 @@ static irqreturn_t cdns_i2c_isr(int irq, void *ptr)
+ id->recv_count--;
+ id->curr_recv_count--;
+
+- if (cdns_is_holdquirk(id, hold_quirk))
++ if (cdns_is_holdquirk(id, updatetx))
+ break;
+ }
+
+@@ -262,7 +258,7 @@ static irqreturn_t cdns_i2c_isr(int irq, void *ptr)
+ * maintain transfer size non-zero while performing a large
+ * receive operation.
+ */
+- if (cdns_is_holdquirk(id, hold_quirk)) {
++ if (cdns_is_holdquirk(id, updatetx)) {
+ /* wait while fifo is full */
+ while (cdns_i2c_readreg(CDNS_I2C_XFER_SIZE_OFFSET) !=
+ (id->curr_recv_count - CDNS_I2C_FIFO_DEPTH))
+@@ -284,22 +280,6 @@ static irqreturn_t cdns_i2c_isr(int irq, void *ptr)
+ CDNS_I2C_XFER_SIZE_OFFSET);
+ id->curr_recv_count = id->recv_count;
+ }
+- } else if (id->recv_count && !hold_quirk &&
+- !id->curr_recv_count) {
+-
+- /* Set the slave address in address register*/
+- cdns_i2c_writereg(id->p_msg->addr & CDNS_I2C_ADDR_MASK,
+- CDNS_I2C_ADDR_OFFSET);
+-
+- if (id->recv_count > CDNS_I2C_TRANSFER_SIZE) {
+- cdns_i2c_writereg(CDNS_I2C_TRANSFER_SIZE,
+- CDNS_I2C_XFER_SIZE_OFFSET);
+- id->curr_recv_count = CDNS_I2C_TRANSFER_SIZE;
+- } else {
+- cdns_i2c_writereg(id->recv_count,
+- CDNS_I2C_XFER_SIZE_OFFSET);
+- id->curr_recv_count = id->recv_count;
+- }
+ }
+
+ /* Clear hold (if not repeated start) and signal completion */
+diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
+index 1e9d882c04ef1..a4a448d97451d 100644
+--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
++++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
+@@ -2291,7 +2291,7 @@ err:
+
+ /* Uses sync mcc */
+ int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
+- u8 page_num, u8 *data)
++ u8 page_num, u32 off, u32 len, u8 *data)
+ {
+ struct be_dma_mem cmd;
+ struct be_mcc_wrb *wrb;
+@@ -2325,10 +2325,10 @@ int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
+ req->port = cpu_to_le32(adapter->hba_port_num);
+ req->page_num = cpu_to_le32(page_num);
+ status = be_mcc_notify_wait(adapter);
+- if (!status) {
++ if (!status && len > 0) {
+ struct be_cmd_resp_port_type *resp = cmd.va;
+
+- memcpy(data, resp->page_data, PAGE_DATA_LEN);
++ memcpy(data, resp->page_data + off, len);
+ }
+ err:
+ mutex_unlock(&adapter->mcc_lock);
+@@ -2419,7 +2419,7 @@ int be_cmd_query_cable_type(struct be_adapter *adapter)
+ int status;
+
+ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+- page_data);
++ 0, PAGE_DATA_LEN, page_data);
+ if (!status) {
+ switch (adapter->phy.interface_type) {
+ case PHY_TYPE_QSFP:
+@@ -2444,7 +2444,7 @@ int be_cmd_query_sfp_info(struct be_adapter *adapter)
+ int status;
+
+ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+- page_data);
++ 0, PAGE_DATA_LEN, page_data);
+ if (!status) {
+ strlcpy(adapter->phy.vendor_name, page_data +
+ SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
+diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
+index e8b43cf44b6f0..f6f9c51a7d471 100644
+--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
++++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
+@@ -2431,7 +2431,7 @@ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num, u8 beacon,
+ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num,
+ u32 *state);
+ int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
+- u8 page_num, u8 *data);
++ u8 page_num, u32 off, u32 len, u8 *data);
+ int be_cmd_query_cable_type(struct be_adapter *adapter);
+ int be_cmd_query_sfp_info(struct be_adapter *adapter);
+ int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
+diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
+index d1905d50c26cb..1c1ac3488da2b 100644
+--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
++++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
+@@ -1342,7 +1342,7 @@ static int be_get_module_info(struct net_device *netdev,
+ return -EOPNOTSUPP;
+
+ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+- page_data);
++ 0, PAGE_DATA_LEN, page_data);
+ if (!status) {
+ if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
+ modinfo->type = ETH_MODULE_SFF_8079;
+@@ -1360,25 +1360,32 @@ static int be_get_module_eeprom(struct net_device *netdev,
+ {
+ struct be_adapter *adapter = netdev_priv(netdev);
+ int status;
++ u32 begin, end;
+
+ if (!check_privilege(adapter, MAX_PRIVILEGES))
+ return -EOPNOTSUPP;
+
+- status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+- data);
+- if (status)
+- goto err;
++ begin = eeprom->offset;
++ end = eeprom->offset + eeprom->len;
++
++ if (begin < PAGE_DATA_LEN) {
++ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
++ min_t(u32, end, PAGE_DATA_LEN) - begin,
++ data);
++ if (status)
++ goto err;
++
++ data += PAGE_DATA_LEN - begin;
++ begin = PAGE_DATA_LEN;
++ }
+
+- if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
+- status = be_cmd_read_port_transceiver_data(adapter,
+- TR_PAGE_A2,
+- data +
+- PAGE_DATA_LEN);
++ if (end > PAGE_DATA_LEN) {
++ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
++ begin - PAGE_DATA_LEN,
++ end - begin, data);
+ if (status)
+ goto err;
+ }
+- if (eeprom->offset)
+- memcpy(data, data + eeprom->offset, eeprom->len);
+ err:
+ return be_cmd_status(status);
+ }
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+index bc8871e7351f2..00b6af0b2f3a8 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+@@ -222,6 +222,9 @@ static void dwmac4_map_mtl_dma(struct mac_device_info *hw, u32 queue, u32 chan)
+ if (queue == 0 || queue == 4) {
+ value &= ~MTL_RXQ_DMA_Q04MDMACH_MASK;
+ value |= MTL_RXQ_DMA_Q04MDMACH(chan);
++ } else if (queue > 4) {
++ value &= ~MTL_RXQ_DMA_QXMDMACH_MASK(queue - 4);
++ value |= MTL_RXQ_DMA_QXMDMACH(chan, queue - 4);
+ } else {
+ value &= ~MTL_RXQ_DMA_QXMDMACH_MASK(queue);
+ value |= MTL_RXQ_DMA_QXMDMACH(chan, queue);
+diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
+index cf6ff8732fb2c..efee7bacfd76a 100644
+--- a/drivers/net/usb/ax88179_178a.c
++++ b/drivers/net/usb/ax88179_178a.c
+@@ -1706,7 +1706,7 @@ static const struct driver_info ax88179_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1719,7 +1719,7 @@ static const struct driver_info ax88178a_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1732,7 +1732,7 @@ static const struct driver_info cypress_GX3_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1745,7 +1745,7 @@ static const struct driver_info dlink_dub1312_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1758,7 +1758,7 @@ static const struct driver_info sitecom_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1771,7 +1771,7 @@ static const struct driver_info samsung_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1784,7 +1784,7 @@ static const struct driver_info lenovo_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+@@ -1797,7 +1797,7 @@ static const struct driver_info belkin_info = {
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
++ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+ };
+diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
+index 5c28498466415..63c79e140f1a8 100644
+--- a/drivers/pci/controller/pci-hyperv.c
++++ b/drivers/pci/controller/pci-hyperv.c
+@@ -831,6 +831,10 @@ static void hv_int_desc_free(struct hv_pci_dev *hpdev,
+ u8 buffer[sizeof(struct pci_delete_interrupt)];
+ } ctxt;
+
++ if (!int_desc->vector_count) {
++ kfree(int_desc);
++ return;
++ }
+ memset(&ctxt, 0, sizeof(ctxt));
+ int_pkt = (struct pci_delete_interrupt *)&ctxt.pkt.message;
+ int_pkt->message_type.type =
+@@ -893,6 +897,28 @@ static void hv_irq_mask(struct irq_data *data)
+ pci_msi_mask_irq(data);
+ }
+
++static unsigned int hv_msi_get_int_vector(struct irq_data *data)
++{
++ struct irq_cfg *cfg = irqd_cfg(data);
++
++ return cfg->vector;
++}
++
++static int hv_msi_prepare(struct irq_domain *domain, struct device *dev,
++ int nvec, msi_alloc_info_t *info)
++{
++ int ret = pci_msi_prepare(domain, dev, nvec, info);
++
++ /*
++ * By using the interrupt remapper in the hypervisor IOMMU, contiguous
++ * CPU vectors is not needed for multi-MSI
++ */
++ if (info->type == X86_IRQ_ALLOC_TYPE_MSI)
++ info->flags &= ~X86_IRQ_ALLOC_CONTIGUOUS_VECTORS;
++
++ return ret;
++}
++
+ /**
+ * hv_irq_unmask() - "Unmask" the IRQ by setting its current
+ * affinity.
+@@ -908,6 +934,7 @@ static void hv_irq_unmask(struct irq_data *data)
+ struct msi_desc *msi_desc = irq_data_get_msi_desc(data);
+ struct irq_cfg *cfg = irqd_cfg(data);
+ struct retarget_msi_interrupt *params;
++ struct tran_int_desc *int_desc;
+ struct hv_pcibus_device *hbus;
+ struct cpumask *dest;
+ struct pci_bus *pbus;
+@@ -922,6 +949,7 @@ static void hv_irq_unmask(struct irq_data *data)
+ pdev = msi_desc_to_pci_dev(msi_desc);
+ pbus = pdev->bus;
+ hbus = container_of(pbus->sysdata, struct hv_pcibus_device, sysdata);
++ int_desc = data->chip_data;
+
+ spin_lock_irqsave(&hbus->retarget_msi_interrupt_lock, flags);
+
+@@ -929,8 +957,8 @@ static void hv_irq_unmask(struct irq_data *data)
+ memset(params, 0, sizeof(*params));
+ params->partition_id = HV_PARTITION_ID_SELF;
+ params->int_entry.source = 1; /* MSI(-X) */
+- params->int_entry.address = msi_desc->msg.address_lo;
+- params->int_entry.data = msi_desc->msg.data;
++ params->int_entry.address = int_desc->address & 0xffffffff;
++ params->int_entry.data = int_desc->data;
+ params->device_id = (hbus->hdev->dev_instance.b[5] << 24) |
+ (hbus->hdev->dev_instance.b[4] << 16) |
+ (hbus->hdev->dev_instance.b[7] << 8) |
+@@ -1018,12 +1046,12 @@ static void hv_pci_compose_compl(void *context, struct pci_response *resp,
+
+ static u32 hv_compose_msi_req_v1(
+ struct pci_create_interrupt *int_pkt, struct cpumask *affinity,
+- u32 slot, u8 vector)
++ u32 slot, u8 vector, u8 vector_count)
+ {
+ int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE;
+ int_pkt->wslot.slot = slot;
+ int_pkt->int_desc.vector = vector;
+- int_pkt->int_desc.vector_count = 1;
++ int_pkt->int_desc.vector_count = vector_count;
+ int_pkt->int_desc.delivery_mode = dest_Fixed;
+
+ /*
+@@ -1037,14 +1065,14 @@ static u32 hv_compose_msi_req_v1(
+
+ static u32 hv_compose_msi_req_v2(
+ struct pci_create_interrupt2 *int_pkt, struct cpumask *affinity,
+- u32 slot, u8 vector)
++ u32 slot, u8 vector, u8 vector_count)
+ {
+ int cpu;
+
+ int_pkt->message_type.type = PCI_CREATE_INTERRUPT_MESSAGE2;
+ int_pkt->wslot.slot = slot;
+ int_pkt->int_desc.vector = vector;
+- int_pkt->int_desc.vector_count = 1;
++ int_pkt->int_desc.vector_count = vector_count;
+ int_pkt->int_desc.delivery_mode = dest_Fixed;
+
+ /*
+@@ -1072,7 +1100,6 @@ static u32 hv_compose_msi_req_v2(
+ */
+ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+ {
+- struct irq_cfg *cfg = irqd_cfg(data);
+ struct hv_pcibus_device *hbus;
+ struct hv_pci_dev *hpdev;
+ struct pci_bus *pbus;
+@@ -1081,6 +1108,8 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+ unsigned long flags;
+ struct compose_comp_ctxt comp;
+ struct tran_int_desc *int_desc;
++ struct msi_desc *msi_desc;
++ u8 vector, vector_count;
+ struct {
+ struct pci_packet pci_pkt;
+ union {
+@@ -1092,7 +1121,17 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+ u32 size;
+ int ret;
+
+- pdev = msi_desc_to_pci_dev(irq_data_get_msi_desc(data));
++ /* Reuse the previous allocation */
++ if (data->chip_data) {
++ int_desc = data->chip_data;
++ msg->address_hi = int_desc->address >> 32;
++ msg->address_lo = int_desc->address & 0xffffffff;
++ msg->data = int_desc->data;
++ return;
++ }
++
++ msi_desc = irq_data_get_msi_desc(data);
++ pdev = msi_desc_to_pci_dev(msi_desc);
+ dest = irq_data_get_effective_affinity_mask(data);
+ pbus = pdev->bus;
+ hbus = container_of(pbus->sysdata, struct hv_pcibus_device, sysdata);
+@@ -1100,17 +1139,40 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+ if (!hpdev)
+ goto return_null_message;
+
+- /* Free any previous message that might have already been composed. */
+- if (data->chip_data) {
+- int_desc = data->chip_data;
+- data->chip_data = NULL;
+- hv_int_desc_free(hpdev, int_desc);
+- }
+-
+ int_desc = kzalloc(sizeof(*int_desc), GFP_ATOMIC);
+ if (!int_desc)
+ goto drop_reference;
+
++ if (!msi_desc->msi_attrib.is_msix && msi_desc->nvec_used > 1) {
++ /*
++ * If this is not the first MSI of Multi MSI, we already have
++ * a mapping. Can exit early.
++ */
++ if (msi_desc->irq != data->irq) {
++ data->chip_data = int_desc;
++ int_desc->address = msi_desc->msg.address_lo |
++ (u64)msi_desc->msg.address_hi << 32;
++ int_desc->data = msi_desc->msg.data +
++ (data->irq - msi_desc->irq);
++ msg->address_hi = msi_desc->msg.address_hi;
++ msg->address_lo = msi_desc->msg.address_lo;
++ msg->data = int_desc->data;
++ put_pcichild(hpdev);
++ return;
++ }
++ /*
++ * The vector we select here is a dummy value. The correct
++ * value gets sent to the hypervisor in unmask(). This needs
++ * to be aligned with the count, and also not zero. Multi-msi
++ * is powers of 2 up to 32, so 32 will always work here.
++ */
++ vector = 32;
++ vector_count = msi_desc->nvec_used;
++ } else {
++ vector = hv_msi_get_int_vector(data);
++ vector_count = 1;
++ }
++
+ memset(&ctxt, 0, sizeof(ctxt));
+ init_completion(&comp.comp_pkt.host_event);
+ ctxt.pci_pkt.completion_func = hv_pci_compose_compl;
+@@ -1121,14 +1183,16 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+ size = hv_compose_msi_req_v1(&ctxt.int_pkts.v1,
+ dest,
+ hpdev->desc.win_slot.slot,
+- cfg->vector);
++ vector,
++ vector_count);
+ break;
+
+ case PCI_PROTOCOL_VERSION_1_2:
+ size = hv_compose_msi_req_v2(&ctxt.int_pkts.v2,
+ dest,
+ hpdev->desc.win_slot.slot,
+- cfg->vector);
++ vector,
++ vector_count);
+ break;
+
+ default:
+@@ -1240,7 +1304,7 @@ static irq_hw_number_t hv_msi_domain_ops_get_hwirq(struct msi_domain_info *info,
+
+ static struct msi_domain_ops hv_msi_ops = {
+ .get_hwirq = hv_msi_domain_ops_get_hwirq,
+- .msi_prepare = pci_msi_prepare,
++ .msi_prepare = hv_msi_prepare,
+ .set_desc = pci_msi_set_desc,
+ .msi_free = hv_msi_free,
+ };
+diff --git a/drivers/power/reset/arm-versatile-reboot.c b/drivers/power/reset/arm-versatile-reboot.c
+index 06d34ab47df53..8022c782f6ff3 100644
+--- a/drivers/power/reset/arm-versatile-reboot.c
++++ b/drivers/power/reset/arm-versatile-reboot.c
+@@ -150,6 +150,7 @@ static int __init versatile_reboot_probe(void)
+ versatile_reboot_type = (enum versatile_reboot)reboot_id->data;
+
+ syscon_regmap = syscon_node_to_regmap(np);
++ of_node_put(np);
+ if (IS_ERR(syscon_regmap))
+ return PTR_ERR(syscon_regmap);
+
+diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h
+index c467589c7f452..c06d399b9b1f1 100644
+--- a/drivers/s390/char/keyboard.h
++++ b/drivers/s390/char/keyboard.h
+@@ -56,7 +56,7 @@ static inline void
+ kbd_put_queue(struct tty_port *port, int ch)
+ {
+ tty_insert_flip_char(port, ch, 0);
+- tty_schedule_flip(port);
++ tty_flip_buffer_push(port);
+ }
+
+ static inline void
+@@ -64,5 +64,5 @@ kbd_puts_queue(struct tty_port *port, char *cp)
+ {
+ while (*cp)
+ tty_insert_flip_char(port, *cp++, 0);
+- tty_schedule_flip(port);
++ tty_flip_buffer_push(port);
+ }
+diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+index ad811c0438cc7..031526cb1b214 100644
+--- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
++++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+@@ -267,6 +267,8 @@ static int rt2880_pinmux_pins(struct rt2880_priv *p)
+ p->func[i]->pin_count,
+ sizeof(int),
+ GFP_KERNEL);
++ if (!p->func[i]->pins)
++ return -ENOMEM;
+ for (j = 0; j < p->func[i]->pin_count; j++)
+ p->func[i]->pins[j] = p->func[i]->pin_first + j;
+
+diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c
+index 5c282e8522fb3..8a44da5b05652 100644
+--- a/drivers/staging/speakup/spk_ttyio.c
++++ b/drivers/staging/speakup/spk_ttyio.c
+@@ -88,7 +88,7 @@ static int spk_ttyio_receive_buf2(struct tty_struct *tty,
+ }
+
+ if (!ldisc_data->buf_free)
+- /* ttyio_in will tty_schedule_flip */
++ /* ttyio_in will tty_flip_buffer_push */
+ return 0;
+
+ /* Make sure the consumer has read buf before we have seen
+@@ -321,7 +321,7 @@ static unsigned char ttyio_in(int timeout)
+ mb();
+ ldisc_data->buf_free = true;
+ /* Let TTY push more characters */
+- tty_schedule_flip(speakup_tty->port);
++ tty_flip_buffer_push(speakup_tty->port);
+
+ return rv;
+ }
+diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
+index 6d3c58051ce33..db048dbe9f785 100644
+--- a/drivers/tty/cyclades.c
++++ b/drivers/tty/cyclades.c
+@@ -556,7 +556,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
+ }
+ info->idle_stats.recv_idle = jiffies;
+ }
+- tty_schedule_flip(port);
++ tty_flip_buffer_push(port);
+
+ /* end of service */
+ cyy_writeb(info, CyRIR, save_xir & 0x3f);
+@@ -996,7 +996,7 @@ static void cyz_handle_rx(struct cyclades_port *info)
+ mod_timer(&info->rx_full_timer, jiffies + 1);
+ #endif
+ info->idle_stats.recv_idle = jiffies;
+- tty_schedule_flip(&info->port);
++ tty_flip_buffer_push(&info->port);
+
+ /* Update rx_get */
+ cy_writel(&buf_ctrl->rx_get, new_rx_get);
+@@ -1172,7 +1172,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
+ if (delta_count)
+ wake_up_interruptible(&info->port.delta_msr_wait);
+ if (special_count)
+- tty_schedule_flip(&info->port);
++ tty_flip_buffer_push(&info->port);
+ }
+ }
+
+diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
+index 9180ca5e4dcd4..d6e82eb61fc2d 100644
+--- a/drivers/tty/goldfish.c
++++ b/drivers/tty/goldfish.c
+@@ -151,7 +151,7 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id)
+ address = (unsigned long)(void *)buf;
+ goldfish_tty_rw(qtty, address, count, 0);
+
+- tty_schedule_flip(&qtty->port);
++ tty_flip_buffer_push(&qtty->port);
+ return IRQ_HANDLED;
+ }
+
+diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
+index 250a19f042d74..181381fa5126c 100644
+--- a/drivers/tty/moxa.c
++++ b/drivers/tty/moxa.c
+@@ -1393,7 +1393,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
+ if (inited && !tty_throttled(tty) &&
+ MoxaPortRxQueue(p) > 0) { /* RX */
+ MoxaPortReadData(p);
+- tty_schedule_flip(&p->port);
++ tty_flip_buffer_push(&p->port);
+ }
+ } else {
+ clear_bit(EMPTYWAIT, &p->statusflags);
+@@ -1418,7 +1418,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
+
+ if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */
+ tty_insert_flip_char(&p->port, 0, TTY_BREAK);
+- tty_schedule_flip(&p->port);
++ tty_flip_buffer_push(&p->port);
+ }
+
+ if (intr & IntrLine)
+diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
+index c6a1d8c4e6894..73226e482e919 100644
+--- a/drivers/tty/pty.c
++++ b/drivers/tty/pty.c
+@@ -111,21 +111,11 @@ static void pty_unthrottle(struct tty_struct *tty)
+ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
+ {
+ struct tty_struct *to = tty->link;
+- unsigned long flags;
+
+- if (tty->stopped)
++ if (tty->stopped || !c)
+ return 0;
+
+- if (c > 0) {
+- spin_lock_irqsave(&to->port->lock, flags);
+- /* Stuff the data into the input queue of the other end */
+- c = tty_insert_flip_string(to->port, buf, c);
+- spin_unlock_irqrestore(&to->port->lock, flags);
+- /* And shovel */
+- if (c)
+- tty_flip_buffer_push(to->port);
+- }
+- return c;
++ return tty_insert_flip_string_and_push_buffer(to->port, buf, c);
+ }
+
+ /**
+diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
+index d1d73261575b2..9c145ed0dcf70 100644
+--- a/drivers/tty/serial/lpc32xx_hs.c
++++ b/drivers/tty/serial/lpc32xx_hs.c
+@@ -341,7 +341,7 @@ static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
+ LPC32XX_HSUART_IIR(port->membase));
+ port->icount.overrun++;
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
+- tty_schedule_flip(tport);
++ tty_flip_buffer_push(tport);
+ }
+
+ /* Data received? */
+diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
+index 77f3f3728a79e..6449c156c4d67 100644
+--- a/drivers/tty/serial/mvebu-uart.c
++++ b/drivers/tty/serial/mvebu-uart.c
+@@ -442,14 +442,14 @@ static void mvebu_uart_shutdown(struct uart_port *port)
+ }
+ }
+
+-static int mvebu_uart_baud_rate_set(struct uart_port *port, unsigned int baud)
++static unsigned int mvebu_uart_baud_rate_set(struct uart_port *port, unsigned int baud)
+ {
+ struct mvebu_uart *mvuart = to_mvuart(port);
+ unsigned int d_divisor, m_divisor;
+ u32 brdv;
+
+ if (IS_ERR(mvuart->clk))
+- return -PTR_ERR(mvuart->clk);
++ return 0;
+
+ /*
+ * The baudrate is derived from the UART clock thanks to two divisors:
+@@ -469,7 +469,7 @@ static int mvebu_uart_baud_rate_set(struct uart_port *port, unsigned int baud)
+ brdv |= d_divisor;
+ writel(brdv, port->membase + UART_BRDV);
+
+- return 0;
++ return DIV_ROUND_CLOSEST(port->uartclk, d_divisor * m_divisor);
+ }
+
+ static void mvebu_uart_set_termios(struct uart_port *port,
+@@ -506,15 +506,11 @@ static void mvebu_uart_set_termios(struct uart_port *port,
+ max_baud = 230400;
+
+ baud = uart_get_baud_rate(port, termios, old, min_baud, max_baud);
+- if (mvebu_uart_baud_rate_set(port, baud)) {
+- /* No clock available, baudrate cannot be changed */
+- if (old)
+- baud = uart_get_baud_rate(port, old, NULL,
+- min_baud, max_baud);
+- } else {
+- tty_termios_encode_baud_rate(termios, baud, baud);
+- uart_update_timeout(port, termios->c_cflag, baud);
+- }
++ baud = mvebu_uart_baud_rate_set(port, baud);
++
++ /* In case baudrate cannot be changed, report previous old value */
++ if (baud == 0 && old)
++ baud = tty_termios_baud_rate(old);
+
+ /* Only the following flag changes are supported */
+ if (old) {
+@@ -525,6 +521,11 @@ static void mvebu_uart_set_termios(struct uart_port *port,
+ termios->c_cflag |= CS8;
+ }
+
++ if (baud != 0) {
++ tty_termios_encode_baud_rate(termios, baud, baud);
++ uart_update_timeout(port, termios->c_cflag, baud);
++ }
++
+ spin_unlock_irqrestore(&port->lock, flags);
+ }
+
+diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
+index dfe0c8c22cd37..3ef4899c8f6a2 100644
+--- a/drivers/tty/tty_buffer.c
++++ b/drivers/tty/tty_buffer.c
+@@ -389,27 +389,6 @@ int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag)
+ }
+ EXPORT_SYMBOL(__tty_insert_flip_char);
+
+-/**
+- * tty_schedule_flip - push characters to ldisc
+- * @port: tty port to push from
+- *
+- * Takes any pending buffers and transfers their ownership to the
+- * ldisc side of the queue. It then schedules those characters for
+- * processing by the line discipline.
+- */
+-
+-void tty_schedule_flip(struct tty_port *port)
+-{
+- struct tty_bufhead *buf = &port->buf;
+-
+- /* paired w/ acquire in flush_to_ldisc(); ensures
+- * flush_to_ldisc() sees buffer data.
+- */
+- smp_store_release(&buf->tail->commit, buf->tail->used);
+- queue_work(system_unbound_wq, &buf->work);
+-}
+-EXPORT_SYMBOL(tty_schedule_flip);
+-
+ /**
+ * tty_prepare_flip_string - make room for characters
+ * @port: tty port
+@@ -539,6 +518,15 @@ static void flush_to_ldisc(struct work_struct *work)
+
+ }
+
++static inline void tty_flip_buffer_commit(struct tty_buffer *tail)
++{
++ /*
++ * Paired w/ acquire in flush_to_ldisc(); ensures flush_to_ldisc() sees
++ * buffer data.
++ */
++ smp_store_release(&tail->commit, tail->used);
++}
++
+ /**
+ * tty_flip_buffer_push - terminal
+ * @port: tty port to push
+@@ -552,10 +540,44 @@ static void flush_to_ldisc(struct work_struct *work)
+
+ void tty_flip_buffer_push(struct tty_port *port)
+ {
+- tty_schedule_flip(port);
++ struct tty_bufhead *buf = &port->buf;
++
++ tty_flip_buffer_commit(buf->tail);
++ queue_work(system_unbound_wq, &buf->work);
+ }
+ EXPORT_SYMBOL(tty_flip_buffer_push);
+
++/**
++ * tty_insert_flip_string_and_push_buffer - add characters to the tty buffer and
++ * push
++ * @port: tty port
++ * @chars: characters
++ * @size: size
++ *
++ * The function combines tty_insert_flip_string() and tty_flip_buffer_push()
++ * with the exception of properly holding the @port->lock.
++ *
++ * To be used only internally (by pty currently).
++ *
++ * Returns: the number added.
++ */
++int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
++ const unsigned char *chars, size_t size)
++{
++ struct tty_bufhead *buf = &port->buf;
++ unsigned long flags;
++
++ spin_lock_irqsave(&port->lock, flags);
++ size = tty_insert_flip_string(port, chars, size);
++ if (size)
++ tty_flip_buffer_commit(buf->tail);
++ spin_unlock_irqrestore(&port->lock, flags);
++
++ queue_work(system_unbound_wq, &buf->work);
++
++ return size;
++}
++
+ /**
+ * tty_buffer_init - prepare a tty buffer structure
+ * @tty: tty to initialise
+diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
+index 94cad9f86ff98..e3aac11d770fe 100644
+--- a/drivers/tty/vt/keyboard.c
++++ b/drivers/tty/vt/keyboard.c
+@@ -310,7 +310,7 @@ int kbd_rate(struct kbd_repeat *rpt)
+ static void put_queue(struct vc_data *vc, int ch)
+ {
+ tty_insert_flip_char(&vc->port, ch, 0);
+- tty_schedule_flip(&vc->port);
++ tty_flip_buffer_push(&vc->port);
+ }
+
+ static void puts_queue(struct vc_data *vc, char *cp)
+@@ -319,7 +319,7 @@ static void puts_queue(struct vc_data *vc, char *cp)
+ tty_insert_flip_char(&vc->port, *cp, 0);
+ cp++;
+ }
+- tty_schedule_flip(&vc->port);
++ tty_flip_buffer_push(&vc->port);
+ }
+
+ static void applkey(struct vc_data *vc, int key, char mode)
+@@ -564,7 +564,7 @@ static void fn_inc_console(struct vc_data *vc)
+ static void fn_send_intr(struct vc_data *vc)
+ {
+ tty_insert_flip_char(&vc->port, 0, TTY_BREAK);
+- tty_schedule_flip(&vc->port);
++ tty_flip_buffer_push(&vc->port);
+ }
+
+ static void fn_scroll_forw(struct vc_data *vc)
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index dca627ccece57..20565603a3658 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -1838,7 +1838,7 @@ static void respond_string(const char *p, struct tty_port *port)
+ tty_insert_flip_char(port, *p, 0);
+ p++;
+ }
+- tty_schedule_flip(port);
++ tty_flip_buffer_push(port);
+ }
+
+ static void cursor_report(struct vc_data *vc, struct tty_struct *tty)
+diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
+index 492084814f55d..27d955c5d9f90 100644
+--- a/drivers/xen/gntdev.c
++++ b/drivers/xen/gntdev.c
+@@ -416,7 +416,8 @@ static void __unmap_grant_pages_done(int result,
+ unsigned int offset = data->unmap_ops - map->unmap_ops;
+
+ for (i = 0; i < data->count; i++) {
+- WARN_ON(map->unmap_ops[offset+i].status);
++ WARN_ON(map->unmap_ops[offset+i].status &&
++ map->unmap_ops[offset+i].handle != -1);
+ pr_debug("unmap handle=%d st=%d\n",
+ map->unmap_ops[offset+i].handle,
+ map->unmap_ops[offset+i].status);
+diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
+index ac53403e9edb5..35bfb681bf133 100644
+--- a/fs/dlm/lock.c
++++ b/fs/dlm/lock.c
+@@ -4069,13 +4069,14 @@ static void send_repeat_remove(struct dlm_ls *ls, char *ms_name, int len)
+ rv = _create_message(ls, sizeof(struct dlm_message) + len,
+ dir_nodeid, DLM_MSG_REMOVE, &ms, &mh);
+ if (rv)
+- return;
++ goto out;
+
+ memcpy(ms->m_extra, name, len);
+ ms->m_hash = hash;
+
+ send_message(mh, ms);
+
++out:
+ spin_lock(&ls->ls_remove_spin);
+ ls->ls_remove_len = 0;
+ memset(ls->ls_remove_name, 0, DLM_RESNAME_MAXLEN);
+diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
+index 767f62086bd9b..c326bfdb5ec2c 100644
+--- a/include/linux/tty_flip.h
++++ b/include/linux/tty_flip.h
+@@ -12,7 +12,6 @@ extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
+ extern int tty_prepare_flip_string(struct tty_port *port,
+ unsigned char **chars, size_t size);
+ extern void tty_flip_buffer_push(struct tty_port *port);
+-void tty_schedule_flip(struct tty_port *port);
+ int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag);
+
+ static inline int tty_insert_flip_char(struct tty_port *port,
+@@ -40,4 +39,7 @@ static inline int tty_insert_flip_string(struct tty_port *port,
+ extern void tty_buffer_lock_exclusive(struct tty_port *port);
+ extern void tty_buffer_unlock_exclusive(struct tty_port *port);
+
++int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
++ const unsigned char *chars, size_t cnt);
++
+ #endif /* _LINUX_TTY_FLIP_H */
+diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
+index fabee6db0abb7..421d41ef4e9ca 100644
+--- a/include/net/bluetooth/bluetooth.h
++++ b/include/net/bluetooth/bluetooth.h
+@@ -370,6 +370,71 @@ out:
+ return NULL;
+ }
+
++/* Shall not be called with lock_sock held */
++static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk,
++ struct msghdr *msg,
++ size_t len, size_t mtu,
++ size_t headroom, size_t tailroom)
++{
++ struct sk_buff *skb;
++ size_t size = min_t(size_t, len, mtu);
++ int err;
++
++ skb = bt_skb_send_alloc(sk, size + headroom + tailroom,
++ msg->msg_flags & MSG_DONTWAIT, &err);
++ if (!skb)
++ return ERR_PTR(err);
++
++ skb_reserve(skb, headroom);
++ skb_tailroom_reserve(skb, mtu, tailroom);
++
++ if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) {
++ kfree_skb(skb);
++ return ERR_PTR(-EFAULT);
++ }
++
++ skb->priority = sk->sk_priority;
++
++ return skb;
++}
++
++/* Similar to bt_skb_sendmsg but can split the msg into multiple fragments
++ * accourding to the MTU.
++ */
++static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
++ struct msghdr *msg,
++ size_t len, size_t mtu,
++ size_t headroom, size_t tailroom)
++{
++ struct sk_buff *skb, **frag;
++
++ skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
++ if (IS_ERR_OR_NULL(skb))
++ return skb;
++
++ len -= skb->len;
++ if (!len)
++ return skb;
++
++ /* Add remaining data over MTU as continuation fragments */
++ frag = &skb_shinfo(skb)->frag_list;
++ while (len) {
++ struct sk_buff *tmp;
++
++ tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
++ if (IS_ERR(tmp)) {
++ return skb;
++ }
++
++ len -= tmp->len;
++
++ *frag = tmp;
++ frag = &(*frag)->next;
++ }
++
++ return skb;
++}
++
+ int bt_to_errno(u16 code);
+
+ void hci_sock_set_flag(struct sock *sk, int nr);
+diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
+index a80fd0ac45632..d5552ff1d361e 100644
+--- a/include/net/inet_sock.h
++++ b/include/net/inet_sock.h
+@@ -111,7 +111,8 @@ static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
+
+ static inline u32 inet_request_mark(const struct sock *sk, struct sk_buff *skb)
+ {
+- if (!sk->sk_mark && sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept)
++ if (!sk->sk_mark &&
++ READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept))
+ return skb->mark;
+
+ return sk->sk_mark;
+@@ -357,7 +358,7 @@ static inline bool inet_get_convert_csum(struct sock *sk)
+ static inline bool inet_can_nonlocal_bind(struct net *net,
+ struct inet_sock *inet)
+ {
+- return net->ipv4.sysctl_ip_nonlocal_bind ||
++ return READ_ONCE(net->ipv4.sysctl_ip_nonlocal_bind) ||
+ inet->freebind || inet->transparent;
+ }
+
+diff --git a/include/net/ip.h b/include/net/ip.h
+index d1a4efedbc039..0f820e68bd8fc 100644
+--- a/include/net/ip.h
++++ b/include/net/ip.h
+@@ -341,7 +341,7 @@ void ipfrag_init(void);
+ void ip_static_sysctl_init(void);
+
+ #define IP4_REPLY_MARK(net, mark) \
+- ((net)->ipv4.sysctl_fwmark_reflect ? (mark) : 0)
++ (READ_ONCE((net)->ipv4.sysctl_fwmark_reflect) ? (mark) : 0)
+
+ static inline bool ip_is_fragment(const struct iphdr *iph)
+ {
+@@ -402,7 +402,7 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
+ struct net *net = dev_net(dst->dev);
+ unsigned int mtu;
+
+- if (net->ipv4.sysctl_ip_fwd_use_pmtu ||
++ if (READ_ONCE(net->ipv4.sysctl_ip_fwd_use_pmtu) ||
+ ip_mtu_locked(dst) ||
+ !forwarding)
+ return dst_mtu(dst);
+diff --git a/include/net/tcp.h b/include/net/tcp.h
+index 5c5807ed66eef..d28fa78dedb54 100644
+--- a/include/net/tcp.h
++++ b/include/net/tcp.h
+@@ -1339,8 +1339,8 @@ static inline void tcp_slow_start_after_idle_check(struct sock *sk)
+ struct tcp_sock *tp = tcp_sk(sk);
+ s32 delta;
+
+- if (!sock_net(sk)->ipv4.sysctl_tcp_slow_start_after_idle || tp->packets_out ||
+- ca_ops->cong_control)
++ if (!READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_slow_start_after_idle) ||
++ tp->packets_out || ca_ops->cong_control)
+ return;
+ delta = tcp_jiffies32 - tp->lsndtime;
+ if (delta > inet_csk(sk)->icsk_rto)
+@@ -1430,7 +1430,8 @@ static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp)
+
+ static inline int tcp_fin_time(const struct sock *sk)
+ {
+- int fin_timeout = tcp_sk(sk)->linger2 ? : sock_net(sk)->ipv4.sysctl_tcp_fin_timeout;
++ int fin_timeout = tcp_sk(sk)->linger2 ? :
++ READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fin_timeout);
+ const int rto = inet_csk(sk)->icsk_rto;
+
+ if (fin_timeout < (rto << 2) - (rto >> 1))
+@@ -1875,7 +1876,7 @@ void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, __be32 daddr);
+ static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp)
+ {
+ struct net *net = sock_net((struct sock *)tp);
+- return tp->notsent_lowat ?: net->ipv4.sysctl_tcp_notsent_lowat;
++ return tp->notsent_lowat ?: READ_ONCE(net->ipv4.sysctl_tcp_notsent_lowat);
+ }
+
+ static inline bool tcp_stream_memory_free(const struct sock *sk)
+diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
+index 4e5b5ae05406e..cbbd0168f50c5 100644
+--- a/kernel/bpf/core.c
++++ b/kernel/bpf/core.c
+@@ -66,11 +66,13 @@ void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb, int k, uns
+ {
+ u8 *ptr = NULL;
+
+- if (k >= SKF_NET_OFF)
++ if (k >= SKF_NET_OFF) {
+ ptr = skb_network_header(skb) + k - SKF_NET_OFF;
+- else if (k >= SKF_LL_OFF)
++ } else if (k >= SKF_LL_OFF) {
++ if (unlikely(!skb_mac_header_was_set(skb)))
++ return NULL;
+ ptr = skb_mac_header(skb) + k - SKF_LL_OFF;
+-
++ }
+ if (ptr >= skb->head && ptr + size <= skb_tail_pointer(skb))
+ return ptr;
+
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 88dd1398ae889..ba66ea3ca7056 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -5719,10 +5719,10 @@ again:
+
+ if (!atomic_inc_not_zero(&event->rb->mmap_count)) {
+ /*
+- * Raced against perf_mmap_close() through
+- * perf_event_set_output(). Try again, hope for better
+- * luck.
++ * Raced against perf_mmap_close(); remove the
++ * event and try again.
+ */
++ ring_buffer_attach(event, NULL);
+ mutex_unlock(&event->mmap_mutex);
+ goto again;
+ }
+@@ -10396,14 +10396,25 @@ err_size:
+ goto out;
+ }
+
++static void mutex_lock_double(struct mutex *a, struct mutex *b)
++{
++ if (b < a)
++ swap(a, b);
++
++ mutex_lock(a);
++ mutex_lock_nested(b, SINGLE_DEPTH_NESTING);
++}
++
+ static int
+ perf_event_set_output(struct perf_event *event, struct perf_event *output_event)
+ {
+ struct ring_buffer *rb = NULL;
+ int ret = -EINVAL;
+
+- if (!output_event)
++ if (!output_event) {
++ mutex_lock(&event->mmap_mutex);
+ goto set;
++ }
+
+ /* don't allow circular references */
+ if (event == output_event)
+@@ -10441,8 +10452,15 @@ perf_event_set_output(struct perf_event *event, struct perf_event *output_event)
+ event->pmu != output_event->pmu)
+ goto out;
+
++ /*
++ * Hold both mmap_mutex to serialize against perf_mmap_close(). Since
++ * output_event is already on rb->event_list, and the list iteration
++ * restarts after every removal, it is guaranteed this new event is
++ * observed *OR* if output_event is already removed, it's guaranteed we
++ * observe !rb->mmap_count.
++ */
++ mutex_lock_double(&event->mmap_mutex, &output_event->mmap_mutex);
+ set:
+- mutex_lock(&event->mmap_mutex);
+ /* Can't redirect output if we've got an active mmap() */
+ if (atomic_read(&event->mmap_count))
+ goto unlock;
+@@ -10452,6 +10470,12 @@ set:
+ rb = ring_buffer_get(output_event);
+ if (!rb)
+ goto unlock;
++
++ /* did we race against perf_mmap_close() */
++ if (!atomic_read(&rb->mmap_count)) {
++ ring_buffer_put(rb);
++ goto unlock;
++ }
+ }
+
+ ring_buffer_attach(event, rb);
+@@ -10459,20 +10483,13 @@ set:
+ ret = 0;
+ unlock:
+ mutex_unlock(&event->mmap_mutex);
++ if (output_event)
++ mutex_unlock(&output_event->mmap_mutex);
+
+ out:
+ return ret;
+ }
+
+-static void mutex_lock_double(struct mutex *a, struct mutex *b)
+-{
+- if (b < a)
+- swap(a, b);
+-
+- mutex_lock(a);
+- mutex_lock_nested(b, SINGLE_DEPTH_NESTING);
+-}
+-
+ static int perf_event_set_clock(struct perf_event *event, clockid_t clk_id)
+ {
+ bool nmi_safe = false;
+diff --git a/mm/mempolicy.c b/mm/mempolicy.c
+index 5ada8897ef0ef..e44e737e90a35 100644
+--- a/mm/mempolicy.c
++++ b/mm/mempolicy.c
+@@ -348,7 +348,7 @@ static void mpol_rebind_preferred(struct mempolicy *pol,
+ */
+ static void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *newmask)
+ {
+- if (!pol)
++ if (!pol || pol->mode == MPOL_LOCAL)
+ return;
+ if (!mpol_store_user_nodemask(pol) && !(pol->flags & MPOL_F_LOCAL) &&
+ nodes_equal(pol->w.cpuset_mems_allowed, *newmask))
+diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
+index b98225d65e87a..e4eaf5d2acbd8 100644
+--- a/net/bluetooth/rfcomm/core.c
++++ b/net/bluetooth/rfcomm/core.c
+@@ -552,22 +552,58 @@ struct rfcomm_dlc *rfcomm_dlc_exists(bdaddr_t *src, bdaddr_t *dst, u8 channel)
+ return dlc;
+ }
+
++static int rfcomm_dlc_send_frag(struct rfcomm_dlc *d, struct sk_buff *frag)
++{
++ int len = frag->len;
++
++ BT_DBG("dlc %p mtu %d len %d", d, d->mtu, len);
++
++ if (len > d->mtu)
++ return -EINVAL;
++
++ rfcomm_make_uih(frag, d->addr);
++ __skb_queue_tail(&d->tx_queue, frag);
++
++ return len;
++}
++
+ int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb)
+ {
+- int len = skb->len;
++ unsigned long flags;
++ struct sk_buff *frag, *next;
++ int len;
+
+ if (d->state != BT_CONNECTED)
+ return -ENOTCONN;
+
+- BT_DBG("dlc %p mtu %d len %d", d, d->mtu, len);
++ frag = skb_shinfo(skb)->frag_list;
++ skb_shinfo(skb)->frag_list = NULL;
+
+- if (len > d->mtu)
+- return -EINVAL;
++ /* Queue all fragments atomically. */
++ spin_lock_irqsave(&d->tx_queue.lock, flags);
+
+- rfcomm_make_uih(skb, d->addr);
+- skb_queue_tail(&d->tx_queue, skb);
++ len = rfcomm_dlc_send_frag(d, skb);
++ if (len < 0 || !frag)
++ goto unlock;
++
++ for (; frag; frag = next) {
++ int ret;
++
++ next = frag->next;
++
++ ret = rfcomm_dlc_send_frag(d, frag);
++ if (ret < 0) {
++ kfree_skb(frag);
++ goto unlock;
++ }
++
++ len += ret;
++ }
++
++unlock:
++ spin_unlock_irqrestore(&d->tx_queue.lock, flags);
+
+- if (!test_bit(RFCOMM_TX_THROTTLED, &d->flags))
++ if (len > 0 && !test_bit(RFCOMM_TX_THROTTLED, &d->flags))
+ rfcomm_schedule();
+ return len;
+ }
+diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
+index c044ff2f73e6c..78830efe89d73 100644
+--- a/net/bluetooth/rfcomm/sock.c
++++ b/net/bluetooth/rfcomm/sock.c
+@@ -578,46 +578,20 @@ static int rfcomm_sock_sendmsg(struct socket *sock, struct msghdr *msg,
+ lock_sock(sk);
+
+ sent = bt_sock_wait_ready(sk, msg->msg_flags);
+- if (sent)
+- goto done;
+-
+- while (len) {
+- size_t size = min_t(size_t, len, d->mtu);
+- int err;
+-
+- skb = sock_alloc_send_skb(sk, size + RFCOMM_SKB_RESERVE,
+- msg->msg_flags & MSG_DONTWAIT, &err);
+- if (!skb) {
+- if (sent == 0)
+- sent = err;
+- break;
+- }
+- skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE);
+-
+- err = memcpy_from_msg(skb_put(skb, size), msg, size);
+- if (err) {
+- kfree_skb(skb);
+- if (sent == 0)
+- sent = err;
+- break;
+- }
+
+- skb->priority = sk->sk_priority;
++ release_sock(sk);
+
+- err = rfcomm_dlc_send(d, skb);
+- if (err < 0) {
+- kfree_skb(skb);
+- if (sent == 0)
+- sent = err;
+- break;
+- }
++ if (sent)
++ return sent;
+
+- sent += size;
+- len -= size;
+- }
++ skb = bt_skb_sendmmsg(sk, msg, len, d->mtu, RFCOMM_SKB_HEAD_RESERVE,
++ RFCOMM_SKB_TAIL_RESERVE);
++ if (IS_ERR(skb))
++ return PTR_ERR(skb);
+
+-done:
+- release_sock(sk);
++ sent = rfcomm_dlc_send(d, skb);
++ if (sent < 0)
++ kfree_skb(skb);
+
+ return sent;
+ }
+diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
+index 14b5288d1432b..ee321d62b7d6e 100644
+--- a/net/bluetooth/sco.c
++++ b/net/bluetooth/sco.c
+@@ -279,12 +279,10 @@ static int sco_connect(struct hci_dev *hdev, struct sock *sk)
+ return err;
+ }
+
+-static int sco_send_frame(struct sock *sk, void *buf, int len,
+- unsigned int msg_flags)
++static int sco_send_frame(struct sock *sk, struct sk_buff *skb)
+ {
+ struct sco_conn *conn = sco_pi(sk)->conn;
+- struct sk_buff *skb;
+- int err;
++ int len = skb->len;
+
+ /* Check outgoing MTU */
+ if (len > conn->mtu)
+@@ -292,11 +290,6 @@ static int sco_send_frame(struct sock *sk, void *buf, int len,
+
+ BT_DBG("sk %p len %d", sk, len);
+
+- skb = bt_skb_send_alloc(sk, len, msg_flags & MSG_DONTWAIT, &err);
+- if (!skb)
+- return err;
+-
+- memcpy(skb_put(skb, len), buf, len);
+ hci_send_sco(conn->hcon, skb);
+
+ return len;
+@@ -715,7 +708,7 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg,
+ size_t len)
+ {
+ struct sock *sk = sock->sk;
+- void *buf;
++ struct sk_buff *skb;
+ int err;
+
+ BT_DBG("sock %p, sk %p", sock, sk);
+@@ -727,24 +720,21 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg,
+ if (msg->msg_flags & MSG_OOB)
+ return -EOPNOTSUPP;
+
+- buf = kmalloc(len, GFP_KERNEL);
+- if (!buf)
+- return -ENOMEM;
+-
+- if (memcpy_from_msg(buf, msg, len)) {
+- kfree(buf);
+- return -EFAULT;
+- }
++ skb = bt_skb_sendmsg(sk, msg, len, len, 0, 0);
++ if (IS_ERR(skb))
++ return PTR_ERR(skb);
+
+ lock_sock(sk);
+
+ if (sk->sk_state == BT_CONNECTED)
+- err = sco_send_frame(sk, buf, len, msg->msg_flags);
++ err = sco_send_frame(sk, skb);
+ else
+ err = -ENOTCONN;
+
+ release_sock(sk);
+- kfree(buf);
++
++ if (err < 0)
++ kfree_skb(skb);
+ return err;
+ }
+
+diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
+index dadd42a07c071..229519001cc31 100644
+--- a/net/ipv4/af_inet.c
++++ b/net/ipv4/af_inet.c
+@@ -218,7 +218,7 @@ int inet_listen(struct socket *sock, int backlog)
+ * because the socket was in TCP_LISTEN state previously but
+ * was shutdown() rather than close().
+ */
+- tcp_fastopen = sock_net(sk)->ipv4.sysctl_tcp_fastopen;
++ tcp_fastopen = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen);
+ if ((tcp_fastopen & TFO_SERVER_WO_SOCKOPT1) &&
+ (tcp_fastopen & TFO_SERVER_ENABLE) &&
+ !inet_csk(sk)->icsk_accept_queue.fastopenq.max_qlen) {
+diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
+index ee179e08dd20c..b831825f234f6 100644
+--- a/net/ipv4/igmp.c
++++ b/net/ipv4/igmp.c
+@@ -471,7 +471,8 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc,
+
+ if (pmc->multiaddr == IGMP_ALL_HOSTS)
+ return skb;
+- if (ipv4_is_local_multicast(pmc->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
++ if (ipv4_is_local_multicast(pmc->multiaddr) &&
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ return skb;
+
+ mtu = READ_ONCE(dev->mtu);
+@@ -597,7 +598,7 @@ static int igmpv3_send_report(struct in_device *in_dev, struct ip_mc_list *pmc)
+ if (pmc->multiaddr == IGMP_ALL_HOSTS)
+ continue;
+ if (ipv4_is_local_multicast(pmc->multiaddr) &&
+- !net->ipv4.sysctl_igmp_llm_reports)
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ continue;
+ spin_lock_bh(&pmc->lock);
+ if (pmc->sfcount[MCAST_EXCLUDE])
+@@ -740,7 +741,8 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
+ if (type == IGMPV3_HOST_MEMBERSHIP_REPORT)
+ return igmpv3_send_report(in_dev, pmc);
+
+- if (ipv4_is_local_multicast(group) && !net->ipv4.sysctl_igmp_llm_reports)
++ if (ipv4_is_local_multicast(group) &&
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ return 0;
+
+ if (type == IGMP_HOST_LEAVE_MESSAGE)
+@@ -924,7 +926,8 @@ static bool igmp_heard_report(struct in_device *in_dev, __be32 group)
+
+ if (group == IGMP_ALL_HOSTS)
+ return false;
+- if (ipv4_is_local_multicast(group) && !net->ipv4.sysctl_igmp_llm_reports)
++ if (ipv4_is_local_multicast(group) &&
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ return false;
+
+ rcu_read_lock();
+@@ -1049,7 +1052,7 @@ static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
+ if (im->multiaddr == IGMP_ALL_HOSTS)
+ continue;
+ if (ipv4_is_local_multicast(im->multiaddr) &&
+- !net->ipv4.sysctl_igmp_llm_reports)
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ continue;
+ spin_lock_bh(&im->lock);
+ if (im->tm_running)
+@@ -1299,7 +1302,8 @@ static void igmp_group_dropped(struct ip_mc_list *im)
+ #ifdef CONFIG_IP_MULTICAST
+ if (im->multiaddr == IGMP_ALL_HOSTS)
+ return;
+- if (ipv4_is_local_multicast(im->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
++ if (ipv4_is_local_multicast(im->multiaddr) &&
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ return;
+
+ reporter = im->reporter;
+@@ -1336,7 +1340,8 @@ static void igmp_group_added(struct ip_mc_list *im)
+ #ifdef CONFIG_IP_MULTICAST
+ if (im->multiaddr == IGMP_ALL_HOSTS)
+ return;
+- if (ipv4_is_local_multicast(im->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
++ if (ipv4_is_local_multicast(im->multiaddr) &&
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ return;
+
+ if (in_dev->dead)
+@@ -1657,7 +1662,7 @@ static void ip_mc_rejoin_groups(struct in_device *in_dev)
+ if (im->multiaddr == IGMP_ALL_HOSTS)
+ continue;
+ if (ipv4_is_local_multicast(im->multiaddr) &&
+- !net->ipv4.sysctl_igmp_llm_reports)
++ !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
+ continue;
+
+ /* a failover is happening and switches
+@@ -2207,7 +2212,7 @@ static int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr,
+ count++;
+ }
+ err = -ENOBUFS;
+- if (count >= net->ipv4.sysctl_igmp_max_memberships)
++ if (count >= READ_ONCE(net->ipv4.sysctl_igmp_max_memberships))
+ goto done;
+ iml = sock_kmalloc(sk, sizeof(*iml), GFP_KERNEL);
+ if (!iml)
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index d7f17581df7da..57e2316529d00 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -1419,7 +1419,7 @@ u32 ip_mtu_from_fib_result(struct fib_result *res, __be32 daddr)
+ struct net_device *dev = nh->nh_dev;
+ u32 mtu = 0;
+
+- if (dev_net(dev)->ipv4.sysctl_ip_fwd_use_pmtu ||
++ if (READ_ONCE(dev_net(dev)->ipv4.sysctl_ip_fwd_use_pmtu) ||
+ fi->fib_metrics->metrics[RTAX_LOCK - 1] & (1 << RTAX_MTU))
+ mtu = fi->fib_mtu;
+
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
+index f7795488b0adf..7acc0d07f1486 100644
+--- a/net/ipv4/tcp.c
++++ b/net/ipv4/tcp.c
+@@ -436,7 +436,7 @@ void tcp_init_sock(struct sock *sk)
+ tp->snd_cwnd_clamp = ~0;
+ tp->mss_cache = TCP_MSS_DEFAULT;
+
+- tp->reordering = sock_net(sk)->ipv4.sysctl_tcp_reordering;
++ tp->reordering = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_reordering);
+ tcp_assign_congestion_control(sk);
+
+ tp->tsoffset = 0;
+@@ -1160,7 +1160,8 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
+ struct sockaddr *uaddr = msg->msg_name;
+ int err, flags;
+
+- if (!(sock_net(sk)->ipv4.sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) ||
++ if (!(READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen) &
++ TFO_CLIENT_ENABLE) ||
+ (uaddr && msg->msg_namelen >= sizeof(uaddr->sa_family) &&
+ uaddr->sa_family == AF_UNSPEC))
+ return -EOPNOTSUPP;
+@@ -3056,7 +3057,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
+ case TCP_FASTOPEN_CONNECT:
+ if (val > 1 || val < 0) {
+ err = -EINVAL;
+- } else if (net->ipv4.sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) {
++ } else if (READ_ONCE(net->ipv4.sysctl_tcp_fastopen) &
++ TFO_CLIENT_ENABLE) {
+ if (sk->sk_state == TCP_CLOSE)
+ tp->fastopen_connect = val;
+ else
+@@ -3386,7 +3388,7 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
+ case TCP_LINGER2:
+ val = tp->linger2;
+ if (val >= 0)
+- val = (val ? : net->ipv4.sysctl_tcp_fin_timeout) / HZ;
++ val = (val ? : READ_ONCE(net->ipv4.sysctl_tcp_fin_timeout)) / HZ;
+ break;
+ case TCP_DEFER_ACCEPT:
+ val = retrans_to_secs(icsk->icsk_accept_queue.rskq_defer_accept,
+diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
+index 119d2c2f3b047..f726591de7c7a 100644
+--- a/net/ipv4/tcp_fastopen.c
++++ b/net/ipv4/tcp_fastopen.c
+@@ -313,7 +313,7 @@ static bool tcp_fastopen_no_cookie(const struct sock *sk,
+ const struct dst_entry *dst,
+ int flag)
+ {
+- return (sock_net(sk)->ipv4.sysctl_tcp_fastopen & flag) ||
++ return (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen) & flag) ||
+ tcp_sk(sk)->fastopen_no_cookie ||
+ (dst && dst_metric(dst, RTAX_FASTOPEN_NO_COOKIE));
+ }
+@@ -328,7 +328,7 @@ struct sock *tcp_try_fastopen(struct sock *sk, struct sk_buff *skb,
+ const struct dst_entry *dst)
+ {
+ bool syn_data = TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq + 1;
+- int tcp_fastopen = sock_net(sk)->ipv4.sysctl_tcp_fastopen;
++ int tcp_fastopen = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen);
+ struct tcp_fastopen_cookie valid_foc = { .len = -1 };
+ struct sock *child;
+
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index 92f5068c76807..26f0994da31bf 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -893,7 +893,7 @@ static void tcp_check_sack_reordering(struct sock *sk, const u32 low_seq,
+ tp->undo_marker ? tp->undo_retrans : 0);
+ #endif
+ tp->reordering = min_t(u32, (metric + mss - 1) / mss,
+- sock_net(sk)->ipv4.sysctl_tcp_max_reordering);
++ READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_max_reordering));
+ }
+
+ /* This exciting event is worth to be remembered. 8) */
+@@ -1878,7 +1878,7 @@ static void tcp_check_reno_reordering(struct sock *sk, const int addend)
+ return;
+
+ tp->reordering = min_t(u32, tp->packets_out + addend,
+- sock_net(sk)->ipv4.sysctl_tcp_max_reordering);
++ READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_max_reordering));
+ tp->reord_seen++;
+ NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPRENOREORDER);
+ }
+@@ -1938,7 +1938,8 @@ static inline void tcp_init_undo(struct tcp_sock *tp)
+
+ static bool tcp_is_rack(const struct sock *sk)
+ {
+- return sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_LOSS_DETECTION;
++ return READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_recovery) &
++ TCP_RACK_LOSS_DETECTION;
+ }
+
+ /* If we detect SACK reneging, forget all SACK information
+@@ -1982,6 +1983,7 @@ void tcp_enter_loss(struct sock *sk)
+ struct tcp_sock *tp = tcp_sk(sk);
+ struct net *net = sock_net(sk);
+ bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery;
++ u8 reordering;
+
+ tcp_timeout_mark_lost(sk);
+
+@@ -2002,10 +2004,12 @@ void tcp_enter_loss(struct sock *sk)
+ /* Timeout in disordered state after receiving substantial DUPACKs
+ * suggests that the degree of reordering is over-estimated.
+ */
++ reordering = READ_ONCE(net->ipv4.sysctl_tcp_reordering);
+ if (icsk->icsk_ca_state <= TCP_CA_Disorder &&
+- tp->sacked_out >= net->ipv4.sysctl_tcp_reordering)
++ tp->sacked_out >= reordering)
+ tp->reordering = min_t(unsigned int, tp->reordering,
+- net->ipv4.sysctl_tcp_reordering);
++ reordering);
++
+ tcp_set_ca_state(sk, TCP_CA_Loss);
+ tp->high_seq = tp->snd_nxt;
+ tcp_ecn_queue_cwr(tp);
+@@ -3303,7 +3307,8 @@ static inline bool tcp_may_raise_cwnd(const struct sock *sk, const int flag)
+ * new SACK or ECE mark may first advance cwnd here and later reduce
+ * cwnd in tcp_fastretrans_alert() based on more states.
+ */
+- if (tcp_sk(sk)->reordering > sock_net(sk)->ipv4.sysctl_tcp_reordering)
++ if (tcp_sk(sk)->reordering >
++ READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_reordering))
+ return flag & FLAG_FORWARD_PROGRESS;
+
+ return flag & FLAG_DATA_ACKED;
+@@ -5287,7 +5292,7 @@ static void tcp_check_urg(struct sock *sk, const struct tcphdr *th)
+ struct tcp_sock *tp = tcp_sk(sk);
+ u32 ptr = ntohs(th->urg_ptr);
+
+- if (ptr && !sock_net(sk)->ipv4.sysctl_tcp_stdurg)
++ if (ptr && !READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_stdurg))
+ ptr--;
+ ptr += ntohl(th->seq);
+
+diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
+index 2719c60f285b0..ddc1af8731e39 100644
+--- a/net/ipv4/tcp_ipv4.c
++++ b/net/ipv4/tcp_ipv4.c
+@@ -110,10 +110,10 @@ static u32 tcp_v4_init_ts_off(const struct net *net, const struct sk_buff *skb)
+
+ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
+ {
++ int reuse = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_tw_reuse);
+ const struct inet_timewait_sock *tw = inet_twsk(sktw);
+ const struct tcp_timewait_sock *tcptw = tcp_twsk(sktw);
+ struct tcp_sock *tp = tcp_sk(sk);
+- int reuse = sock_net(sk)->ipv4.sysctl_tcp_tw_reuse;
+
+ if (reuse == 2) {
+ /* Still does not detect *everything* that goes through
+diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
+index 03b51cdcc731f..61843c6d7a476 100644
+--- a/net/ipv4/tcp_metrics.c
++++ b/net/ipv4/tcp_metrics.c
+@@ -425,7 +425,8 @@ void tcp_update_metrics(struct sock *sk)
+ if (!tcp_metric_locked(tm, TCP_METRIC_REORDERING)) {
+ val = tcp_metric_get(tm, TCP_METRIC_REORDERING);
+ if (val < tp->reordering &&
+- tp->reordering != net->ipv4.sysctl_tcp_reordering)
++ tp->reordering !=
++ READ_ONCE(net->ipv4.sysctl_tcp_reordering))
+ tcp_metric_set(tm, TCP_METRIC_REORDERING,
+ tp->reordering);
+ }
+diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
+index c79cb949da66b..0fc238d79b03a 100644
+--- a/net/ipv4/tcp_minisocks.c
++++ b/net/ipv4/tcp_minisocks.c
+@@ -179,7 +179,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
+ * Oh well... nobody has a sufficient solution to this
+ * protocol bug yet.
+ */
+- if (twsk_net(tw)->ipv4.sysctl_tcp_rfc1337 == 0) {
++ if (!READ_ONCE(twsk_net(tw)->ipv4.sysctl_tcp_rfc1337)) {
+ kill:
+ inet_twsk_deschedule_put(tw);
+ return TCP_TW_SUCCESS;
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 25dbdb27a571d..13d9e8570ce57 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -1523,7 +1523,7 @@ void tcp_mtup_init(struct sock *sk)
+ struct inet_connection_sock *icsk = inet_csk(sk);
+ struct net *net = sock_net(sk);
+
+- icsk->icsk_mtup.enabled = net->ipv4.sysctl_tcp_mtu_probing > 1;
++ icsk->icsk_mtup.enabled = READ_ONCE(net->ipv4.sysctl_tcp_mtu_probing) > 1;
+ icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) +
+ icsk->icsk_af_ops->net_header_len;
+ icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, net->ipv4.sysctl_tcp_base_mss);
+@@ -1658,7 +1658,7 @@ static void tcp_cwnd_validate(struct sock *sk, bool is_cwnd_limited)
+ if (tp->packets_out > tp->snd_cwnd_used)
+ tp->snd_cwnd_used = tp->packets_out;
+
+- if (sock_net(sk)->ipv4.sysctl_tcp_slow_start_after_idle &&
++ if (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_slow_start_after_idle) &&
+ (s32)(tcp_jiffies32 - tp->snd_cwnd_stamp) >= inet_csk(sk)->icsk_rto &&
+ !ca_ops->cong_control)
+ tcp_cwnd_application_limited(sk);
+@@ -2030,7 +2030,7 @@ static inline void tcp_mtu_check_reprobe(struct sock *sk)
+ u32 interval;
+ s32 delta;
+
+- interval = net->ipv4.sysctl_tcp_probe_interval;
++ interval = READ_ONCE(net->ipv4.sysctl_tcp_probe_interval);
+ delta = tcp_jiffies32 - icsk->icsk_mtup.probe_timestamp;
+ if (unlikely(delta >= interval * HZ)) {
+ int mss = tcp_current_mss(sk);
+@@ -2112,7 +2112,7 @@ static int tcp_mtu_probe(struct sock *sk)
+ * probing process by not resetting search range to its orignal.
+ */
+ if (probe_size > tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_high) ||
+- interval < net->ipv4.sysctl_tcp_probe_threshold) {
++ interval < READ_ONCE(net->ipv4.sysctl_tcp_probe_threshold)) {
+ /* Check whether enough time has elaplased for
+ * another round of probing.
+ */
+@@ -2454,7 +2454,7 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
+ if (tp->fastopen_rsk)
+ return false;
+
+- early_retrans = sock_net(sk)->ipv4.sysctl_tcp_early_retrans;
++ early_retrans = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_early_retrans);
+ /* Schedule a loss probe in 2*RTT for SACK capable connections
+ * not in loss recovery, that are either limited by cwnd or application.
+ */
+@@ -2816,7 +2816,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
+ struct sk_buff *skb = to, *tmp;
+ bool first = true;
+
+- if (!sock_net(sk)->ipv4.sysctl_tcp_retrans_collapse)
++ if (!READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_retrans_collapse))
+ return;
+ if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN)
+ return;
+@@ -3776,7 +3776,7 @@ void tcp_send_probe0(struct sock *sk)
+ }
+
+ if (err <= 0) {
+- if (icsk->icsk_backoff < net->ipv4.sysctl_tcp_retries2)
++ if (icsk->icsk_backoff < READ_ONCE(net->ipv4.sysctl_tcp_retries2))
+ icsk->icsk_backoff++;
+ icsk->icsk_probes_out++;
+ probe_max = TCP_RTO_MAX;
+diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
+index 0d96decba13df..61969bb9395c7 100644
+--- a/net/ipv4/tcp_recovery.c
++++ b/net/ipv4/tcp_recovery.c
+@@ -33,7 +33,8 @@ static u32 tcp_rack_reo_wnd(const struct sock *sk)
+ return 0;
+
+ if (tp->sacked_out >= tp->reordering &&
+- !(sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_NO_DUPTHRESH))
++ !(READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_recovery) &
++ TCP_RACK_NO_DUPTHRESH))
+ return 0;
+ }
+
+@@ -203,7 +204,8 @@ void tcp_rack_update_reo_wnd(struct sock *sk, struct rate_sample *rs)
+ {
+ struct tcp_sock *tp = tcp_sk(sk);
+
+- if (sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_STATIC_REO_WND ||
++ if ((READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_recovery) &
++ TCP_RACK_STATIC_REO_WND) ||
+ !rs->prior_delivered)
+ return;
+
+diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
+index d071ed6b8b9a0..84069db0423a2 100644
+--- a/net/ipv4/tcp_timer.c
++++ b/net/ipv4/tcp_timer.c
+@@ -124,7 +124,7 @@ static int tcp_out_of_resources(struct sock *sk, bool do_reset)
+ */
+ static int tcp_orphan_retries(struct sock *sk, bool alive)
+ {
+- int retries = sock_net(sk)->ipv4.sysctl_tcp_orphan_retries; /* May be zero. */
++ int retries = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_orphan_retries); /* May be zero. */
+
+ /* We know from an ICMP that something is wrong. */
+ if (sk->sk_err_soft && !alive)
+@@ -144,7 +144,7 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
+ int mss;
+
+ /* Black hole detection */
+- if (!net->ipv4.sysctl_tcp_mtu_probing)
++ if (!READ_ONCE(net->ipv4.sysctl_tcp_mtu_probing))
+ return;
+
+ if (!icsk->icsk_mtup.enabled) {
+@@ -226,7 +226,7 @@ static int tcp_write_timeout(struct sock *sk)
+ retry_until = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_syn_retries;
+ expired = icsk->icsk_retransmits >= retry_until;
+ } else {
+- if (retransmits_timed_out(sk, net->ipv4.sysctl_tcp_retries1, 0)) {
++ if (retransmits_timed_out(sk, READ_ONCE(net->ipv4.sysctl_tcp_retries1), 0)) {
+ /* Black hole detection */
+ tcp_mtu_probing(icsk, sk);
+
+@@ -235,7 +235,7 @@ static int tcp_write_timeout(struct sock *sk)
+ sk_rethink_txhash(sk);
+ }
+
+- retry_until = net->ipv4.sysctl_tcp_retries2;
++ retry_until = READ_ONCE(net->ipv4.sysctl_tcp_retries2);
+ if (sock_flag(sk, SOCK_DEAD)) {
+ const bool alive = icsk->icsk_rto < TCP_RTO_MAX;
+
+@@ -362,7 +362,7 @@ static void tcp_probe_timer(struct sock *sk)
+ (s32)(tcp_time_stamp(tp) - start_ts) > icsk->icsk_user_timeout)
+ goto abort;
+
+- max_probes = sock_net(sk)->ipv4.sysctl_tcp_retries2;
++ max_probes = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_retries2);
+ if (sock_flag(sk, SOCK_DEAD)) {
+ const bool alive = inet_csk_rto_backoff(icsk, TCP_RTO_MAX) < TCP_RTO_MAX;
+
+@@ -545,7 +545,7 @@ out_reset_timer:
+ * linear-timeout retransmissions into a black hole
+ */
+ if (sk->sk_state == TCP_ESTABLISHED &&
+- (tp->thin_lto || net->ipv4.sysctl_tcp_thin_linear_timeouts) &&
++ (tp->thin_lto || READ_ONCE(net->ipv4.sysctl_tcp_thin_linear_timeouts)) &&
+ tcp_stream_is_thin(tp) &&
+ icsk->icsk_retransmits <= TCP_THIN_LINEAR_RETRIES) {
+ icsk->icsk_backoff = 0;
+@@ -556,7 +556,7 @@ out_reset_timer:
+ }
+ inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
+ tcp_clamp_rto_to_user_timeout(sk), TCP_RTO_MAX);
+- if (retransmits_timed_out(sk, net->ipv4.sysctl_tcp_retries1 + 1, 0))
++ if (retransmits_timed_out(sk, READ_ONCE(net->ipv4.sysctl_tcp_retries1) + 1, 0))
+ __sk_dst_reset(sk);
+
+ out:;
+diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
+index 7207a9769f1a9..8db8209c5b617 100644
+--- a/net/sctp/protocol.c
++++ b/net/sctp/protocol.c
+@@ -373,7 +373,7 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
+ if (addr->v4.sin_addr.s_addr != htonl(INADDR_ANY) &&
+ ret != RTN_LOCAL &&
+ !sp->inet.freebind &&
+- !net->ipv4.sysctl_ip_nonlocal_bind)
++ !READ_ONCE(net->ipv4.sysctl_ip_nonlocal_bind))
+ return 0;
+
+ if (ipv6_only_sock(sctp_opt2sk(sp)))
+diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
+index 228e3ce48d437..b290eb3ae155a 100644
+--- a/net/tls/tls_device.c
++++ b/net/tls/tls_device.c
+@@ -110,13 +110,16 @@ static void tls_device_queue_ctx_destruction(struct tls_context *ctx)
+ unsigned long flags;
+
+ spin_lock_irqsave(&tls_device_lock, flags);
++ if (unlikely(!refcount_dec_and_test(&ctx->refcount)))
++ goto unlock;
++
+ list_move_tail(&ctx->list, &tls_device_gc_list);
+
+ /* schedule_work inside the spinlock
+ * to make sure tls_device_down waits for that work.
+ */
+ schedule_work(&tls_device_gc_work);
+-
++unlock:
+ spin_unlock_irqrestore(&tls_device_lock, flags);
+ }
+
+@@ -214,8 +217,7 @@ void tls_device_sk_destruct(struct sock *sk)
+ clean_acked_data_disable(inet_csk(sk));
+ }
+
+- if (refcount_dec_and_test(&tls_ctx->refcount))
+- tls_device_queue_ctx_destruction(tls_ctx);
++ tls_device_queue_ctx_destruction(tls_ctx);
+ }
+ EXPORT_SYMBOL(tls_device_sk_destruct);
+
+diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
+index bb1c94e20e820..3582f77bab6a8 100644
+--- a/net/xfrm/xfrm_policy.c
++++ b/net/xfrm/xfrm_policy.c
+@@ -1697,8 +1697,10 @@ static int xfrm_expand_policies(const struct flowi *fl, u16 family,
+ *num_xfrms = 0;
+ return 0;
+ }
+- if (IS_ERR(pols[0]))
++ if (IS_ERR(pols[0])) {
++ *num_pols = 0;
+ return PTR_ERR(pols[0]);
++ }
+
+ *num_xfrms = pols[0]->xfrm_nr;
+
+@@ -1713,6 +1715,7 @@ static int xfrm_expand_policies(const struct flowi *fl, u16 family,
+ if (pols[1]) {
+ if (IS_ERR(pols[1])) {
+ xfrm_pols_put(pols, *num_pols);
++ *num_pols = 0;
+ return PTR_ERR(pols[1]);
+ }
+ (*num_pols)++;
+diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
+index 5095b2e8fceeb..3ec45028a8c54 100644
+--- a/security/integrity/ima/Kconfig
++++ b/security/integrity/ima/Kconfig
+@@ -68,10 +68,9 @@ choice
+ hash, defined as 20 bytes, and a null terminated pathname,
+ limited to 255 characters. The 'ima-ng' measurement list
+ template permits both larger hash digests and longer
+- pathnames.
++ pathnames. The configured default template can be replaced
++ by specifying "ima_template=" on the boot command line.
+
+- config IMA_TEMPLATE
+- bool "ima"
+ config IMA_NG_TEMPLATE
+ bool "ima-ng (default)"
+ config IMA_SIG_TEMPLATE
+@@ -81,7 +80,6 @@ endchoice
+ config IMA_DEFAULT_TEMPLATE
+ string
+ depends on IMA
+- default "ima" if IMA_TEMPLATE
+ default "ima-ng" if IMA_NG_TEMPLATE
+ default "ima-sig" if IMA_SIG_TEMPLATE
+
+@@ -101,15 +99,15 @@ choice
+
+ config IMA_DEFAULT_HASH_SHA256
+ bool "SHA256"
+- depends on CRYPTO_SHA256=y && !IMA_TEMPLATE
++ depends on CRYPTO_SHA256=y
+
+ config IMA_DEFAULT_HASH_SHA512
+ bool "SHA512"
+- depends on CRYPTO_SHA512=y && !IMA_TEMPLATE
++ depends on CRYPTO_SHA512=y
+
+ config IMA_DEFAULT_HASH_WP512
+ bool "WP512"
+- depends on CRYPTO_WP512=y && !IMA_TEMPLATE
++ depends on CRYPTO_WP512=y
+ endchoice
+
+ config IMA_DEFAULT_HASH
+diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
+index 753d5fc4b284f..81a171668f420 100644
+--- a/sound/core/memalloc.c
++++ b/sound/core/memalloc.c
+@@ -179,6 +179,7 @@ int snd_dma_alloc_pages(int type, struct device *device, size_t size,
+ if (WARN_ON(!dmab))
+ return -ENXIO;
+
++ size = PAGE_ALIGN(size);
+ dmab->dev.type = type;
+ dmab->dev.dev = device;
+ dmab->bytes = 0;
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