PM: hibernate: fix load_image_and_restore() error path

As 'swsusp_check' open 'hib_resume_bdev', if call 'create_basic_memory_bitmaps'
failed, we need to close 'hib_resume_bdev' in 'load_image_and_restore' function.

Signed-off-by: Ye Bin <yebin10@huawei.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index e6af502..49d1df0 100644 (file)
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -689,8 +689,10 @@ static int load_image_and_restore(void)
 
        lock_device_hotplug();
        error = create_basic_memory_bitmaps();
-       if (error)
+       if (error) {
+               swsusp_close(FMODE_READ | FMODE_EXCL);
                goto Unlock;
+       }
 
        error = swsusp_read(&flags);
        swsusp_close(FMODE_READ | FMODE_EXCL);