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| author | Andrey Borzenkov <arvidjaar@mail.ru> | 2009-02-14 02:05:14 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-21 14:17:17 -0800 |
| commit | ebae2604f2c3693717d9dc687c84578f0526480c (patch) | |
| tree | b385e3b401ab8bc2f278aa36a03a639bf1ea61cd /kernel/power | |
| parent | 0cb57258fe01e9b21076b6a15b6aec7a24168228 (diff) | |
| download | lwn-ebae2604f2c3693717d9dc687c84578f0526480c.tar.gz lwn-ebae2604f2c3693717d9dc687c84578f0526480c.zip | |
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>
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/user.c | 8 |
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); |