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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 d59420b8d5ff..ff326c2cb77b 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -1515,9 +1515,10 @@ 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);
@@ -1539,7 +1540,7 @@ 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 {