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authorAndrey Borzenkov <arvidjaar@mail.ru>2009-02-14 02:05:14 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-21 14:17:17 -0800
commitebae2604f2c3693717d9dc687c84578f0526480c (patch)
treeb385e3b401ab8bc2f278aa36a03a639bf1ea61cd
parent0cb57258fe01e9b21076b6a15b6aec7a24168228 (diff)
downloadlinux-2.6.38-lt-ux500-ebae2604f2c3693717d9dc687c84578f0526480c.tar.gz
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>
-rw-r--r--kernel/power/user.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 005b93d839b..6c85359364f 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);