Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 15 insertions, 10 deletions

diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index bf68e39478..3ef0b312ae 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -46,7 +46,7 @@ static inline int fw_sysfs_wait_timeout(struct fw_priv *fw_priv,  long timeout)
 
 static LIST_HEAD(pending_fw_head);
 
-void kill_pending_fw_fallback_reqs(bool only_kill_custom)
+void kill_pending_fw_fallback_reqs(bool kill_all)
 {
 	struct fw_priv *fw_priv;
 	struct fw_priv *next;
@@ -54,9 +54,13 @@ void kill_pending_fw_fallback_reqs(bool only_kill_custom)
 	mutex_lock(&fw_lock);
 	list_for_each_entry_safe(fw_priv, next, &pending_fw_head,
 				 pending_list) {
-		if (!fw_priv->need_uevent || !only_kill_custom)
+		if (kill_all || !fw_priv->need_uevent)
 			 __fw_load_abort(fw_priv);
 	}
+
+	if (kill_all)
+		fw_load_abort_all = true;
+
 	mutex_unlock(&fw_lock);
 }
 
@@ -86,7 +90,7 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
 	}
 
 	mutex_lock(&fw_lock);
-	if (fw_state_is_aborted(fw_priv)) {
+	if (fw_load_abort_all || fw_state_is_aborted(fw_priv)) {
 		mutex_unlock(&fw_lock);
 		retval = -EINTR;
 		goto out;
diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h
index 1441485956..ccf912bef6 100644
--- a/drivers/base/firmware_loader/fallback.h
+++ b/drivers/base/firmware_loader/fallback.h
@@ -13,7 +13,7 @@ int firmware_fallback_sysfs(struct firmware *fw, const char *name,
 			    struct device *device,
 			    u32 opt_flags,
 			    int ret);
-void kill_pending_fw_fallback_reqs(bool only_kill_custom);
+void kill_pending_fw_fallback_reqs(bool kill_all);
 
 void fw_fallback_set_cache_timeout(void);
 void fw_fallback_set_default_timeout(void);
@@ -28,7 +28,7 @@ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name,
 	return ret;
 }
 
-static inline void kill_pending_fw_fallback_reqs(bool only_kill_custom) { }
+static inline void kill_pending_fw_fallback_reqs(bool kill_all) { }
 static inline void fw_fallback_set_cache_timeout(void) { }
 static inline void fw_fallback_set_default_timeout(void) { }
 #endif /* CONFIG_FW_LOADER_USER_HELPER */
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index e5ac098d07..8432ab2c3b 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -44,7 +44,6 @@ static struct ctl_table firmware_config_table[] = {
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
-	{ }
 };
 
 static struct ctl_table_header *firmware_config_sysct_table_header;
diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h
index bf549d6500..e891742ba2 100644
--- a/drivers/base/firmware_loader/firmware.h
+++ b/drivers/base/firmware_loader/firmware.h
@@ -86,6 +86,7 @@ struct fw_priv {
 
 extern struct mutex fw_lock;
 extern struct firmware_cache fw_cache;
+extern bool fw_load_abort_all;
 
 static inline bool __fw_state_check(struct fw_priv *fw_priv,
 				    enum fw_status status)
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index b58c42f1b1..ea28102d42 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -93,6 +93,7 @@ static inline struct fw_priv *to_fw_priv(struct kref *ref)
 DEFINE_MUTEX(fw_lock);
 
 struct firmware_cache fw_cache;
+bool fw_load_abort_all;
 
 void fw_state_init(struct fw_priv *fw_priv)
 {
@@ -1524,10 +1525,10 @@ static int fw_pm_notify(struct notifier_block *notify_block,
 	case PM_SUSPEND_PREPARE:
 	case PM_RESTORE_PREPARE:
 		/*
-		 * kill pending fallback requests with a custom fallback
-		 * to avoid stalling suspend.
+		 * Here, kill pending fallback requests will only kill
+		 * non-uevent firmware request to avoid stalling suspend.
 		 */
-		kill_pending_fw_fallback_reqs(true);
+		kill_pending_fw_fallback_reqs(false);
 		device_cache_fw_images();
 		break;
 
@@ -1612,7 +1613,7 @@ static int fw_shutdown_notify(struct notifier_block *unused1,
 	 * Kill all pending fallback requests to avoid both stalling shutdown,
 	 * and avoid a deadlock with the usermode_lock.
 	 */
-	kill_pending_fw_fallback_reqs(false);
+	kill_pending_fw_fallback_reqs(true);
 
 	return NOTIFY_DONE;
 }