1 files changed, 9 insertions, 7 deletions

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 9c85c7822383..abef759de7c8 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -338,7 +338,7 @@ static int create_image(int platform_mode)
  * hibernation_snapshot - Quiesce devices and create a hibernation image.
  * @platform_mode: If set, use platform driver to prepare for the transition.
  *
- * This routine must be called with pm_mutex held.
+ * This routine must be called with system_transition_mutex held.
  */
 int hibernation_snapshot(int platform_mode)
 {
@@ -500,8 +500,9 @@ static int resume_target_kernel(bool platform_mode)
  * hibernation_restore - Quiesce devices and restore from a hibernation image.
  * @platform_mode: If set, use platform driver to prepare for the transition.
  *
- * This routine must be called with pm_mutex held.  If it is successful, control
- * reappears in the restored target kernel in hibernation_snapshot().
+ * This routine must be called with system_transition_mutex held.  If it is
+ * successful, control reappears in the restored target kernel in
+ * hibernation_snapshot().
  */
 int hibernation_restore(int platform_mode)
 {
@@ -638,6 +639,7 @@ static void power_down(void)
                 break;
         case HIBERNATION_PLATFORM:
                 hibernation_platform_enter();
+                /* Fall through */
         case HIBERNATION_SHUTDOWN:
                 if (pm_power_off)
                         kernel_power_off();
@@ -805,13 +807,13 @@ static int software_resume(void)
          * name_to_dev_t() below takes a sysfs buffer mutex when sysfs
          * is configured into the kernel. Since the regular hibernate
          * trigger path is via sysfs which takes a buffer mutex before
-         * calling hibernate functions (which take pm_mutex) this can
-         * cause lockdep to complain about a possible ABBA deadlock
+         * calling hibernate functions (which take system_transition_mutex)
+         * this can cause lockdep to complain about a possible ABBA deadlock
          * which cannot happen since we're in the boot code here and
          * sysfs can't be invoked yet. Therefore, we use a subclass
          * here to avoid lockdep complaining.
          */
-        mutex_lock_nested(&pm_mutex, SINGLE_DEPTH_NESTING);
+        mutex_lock_nested(&system_transition_mutex, SINGLE_DEPTH_NESTING);
 
         if (swsusp_resume_device)
                 goto Check_image;
@@ -899,7 +901,7 @@ static int software_resume(void)
         atomic_inc(&snapshot_device_available);
         /* For success case, the suspend path will release the lock */
  Unlock:
-        mutex_unlock(&pm_mutex);
+        mutex_unlock(&system_transition_mutex);
         pm_pr_dbg("Hibernation image not present or could not be loaded.\n");
         return error;
  Close_Finish: