Hibernation: Invoke suspend notifications after console switch

Following the recent change in the suspend code path, switch consoles before
calling PM notifiers during hibernation.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 7 insertions, 10 deletions

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 53c22d9cf577..d09da0895174 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -458,20 +458,13 @@ static void power_down(void)
         while(1);
 }
 
-static void unprepare_processes(void)
-{
-        thaw_processes();
-        pm_restore_console();
-}
-
 static int prepare_processes(void)
 {
         int error = 0;
 
-        pm_prepare_console();
         if (freeze_processes()) {
                 error = -EBUSY;
-                unprepare_processes();
+                thaw_processes();
         }
         return error;
 }
@@ -491,6 +484,7 @@ int hibernate(void)
                 goto Unlock;
         }
 
+        pm_prepare_console();
         error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
         if (error)
                 goto Exit;
@@ -530,11 +524,12 @@ int hibernate(void)
                 swsusp_free();
         }
  Thaw:
-        unprepare_processes();
+        thaw_processes();
  Finish:
         free_basic_memory_bitmaps();
  Exit:
         pm_notifier_call_chain(PM_POST_HIBERNATION);
+        pm_restore_console();
         atomic_inc(&snapshot_device_available);
  Unlock:
         mutex_unlock(&pm_mutex);
@@ -603,6 +598,7 @@ static int software_resume(void)
                 goto Unlock;
         }
 
+        pm_prepare_console();
         error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
         if (error)
                 goto Finish;
@@ -626,11 +622,12 @@ static int software_resume(void)
 
         printk(KERN_ERR "PM: Restore failed, recovering.\n");
         swsusp_free();
-        unprepare_processes();
+        thaw_processes();
  Done:
         free_basic_memory_bitmaps();
  Finish:
         pm_notifier_call_chain(PM_POST_RESTORE);
+        pm_restore_console();
         atomic_inc(&snapshot_device_available);
         /* For success case, the suspend path will release the lock */
  Unlock: