PM: Fix pm_notifiers during user mode hibernation

Snapshot device is opened with O_RDONLY during suspend and O_WRONLY durig
resume.  Make sure we also call notifiers with correct parameter telling
them what we are really doing.

Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Len Brown <lenb@kernel.org>
Cc: Greg KH <gregkh@suse.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/power/user.c b/kernel/power/user.c
index 005b93d839ba..6c85359364f2 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -95,15 +95,15 @@ static int snapshot_open(struct inode *inode, struct file *filp)
                 data->swap = swsusp_resume_device ?
                         swap_type_of(swsusp_resume_device, 0, NULL) : -1;
                 data->mode = O_RDONLY;
-                error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
+                error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
                 if (error)
-                        pm_notifier_call_chain(PM_POST_RESTORE);
+                        pm_notifier_call_chain(PM_POST_HIBERNATION);
         } else {
                 data->swap = -1;
                 data->mode = O_WRONLY;
-                error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
+                error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
                 if (error)
-                        pm_notifier_call_chain(PM_POST_HIBERNATION);
+                        pm_notifier_call_chain(PM_POST_RESTORE);
         }
         if (error)
                 atomic_inc(&snapshot_device_available);