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-rw-r--r--kernel/power/swap.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 3cb89baebc79..0aabc94125d6 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -1521,9 +1521,10 @@ end:
int swsusp_check(void)
{
int error;
+ void *holder;
hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device,
- FMODE_READ, NULL);
+ FMODE_READ | FMODE_EXCL, &holder);
if (!IS_ERR(hib_resume_bdev)) {
set_blocksize(hib_resume_bdev, PAGE_SIZE);
clear_page(swsusp_header);
@@ -1545,7 +1546,7 @@ int swsusp_check(void)
put:
if (error)
- blkdev_put(hib_resume_bdev, FMODE_READ);
+ blkdev_put(hib_resume_bdev, FMODE_READ | FMODE_EXCL);
else
pr_debug("Image signature found, resuming\n");
} else {