diff options
| author | Thomas Zeitlhofer <thomas.zeitlhofer+lkml@ze-it.at> | 2021-11-23 20:18:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-01 09:23:33 +0100 |
| commit | 562fe6a6d2c553092787b0afc2939cedd8d386ff (patch) | |
| tree | 230fbfdef0b637683be638bf60f28f80a6ff1a55 /kernel | |
| parent | 2654e6cfc483dd3ce256cfcadbf93b9af422359c (diff) | |
PM: hibernate: use correct mode for swsusp_close()
[ Upstream commit cefcf24b4d351daf70ecd945324e200d3736821e ]
Commit 39fbef4b0f77 ("PM: hibernate: Get block device exclusively in
swsusp_check()") changed the opening mode of the block device to
(FMODE_READ | FMODE_EXCL).
In the corresponding calls to swsusp_close(), the mode is still just
FMODE_READ which triggers the warning in blkdev_flush_mapping() on
resume from hibernate.
So, use the mode (FMODE_READ | FMODE_EXCL) also when closing the
device.
Fixes: 39fbef4b0f77 ("PM: hibernate: Get block device exclusively in swsusp_check()")
Signed-off-by: Thomas Zeitlhofer <thomas.zeitlhofer+lkml@ze-it.at>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/hibernate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 69c4cd472def..6cafb2e910a1 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -676,7 +676,7 @@ static int load_image_and_restore(void) goto Unlock; error = swsusp_read(&flags); - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); if (!error) hibernation_restore(flags & SF_PLATFORM_MODE); @@ -871,7 +871,7 @@ static int software_resume(void) /* The snapshot device should not be opened while we're running */ if (!atomic_add_unless(&snapshot_device_available, -1, 0)) { error = -EBUSY; - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); goto Unlock; } @@ -907,7 +907,7 @@ static int software_resume(void) pm_pr_dbg("Hibernation image not present or could not be loaded.\n"); return error; Close_Finish: - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); goto Finish; } |