diff --git a/fs/block_dev.c b/fs/block_dev.c
index 594a1bee9dd9..363015fcffdb 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1236,7 +1236,7 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
 int bdev_disk_changed(struct block_device *bdev, bool invalidate)
 {
 	struct gendisk *disk = bdev->bd_disk;
-	int ret;
+	int ret = 0;
 
 	lockdep_assert_held(&bdev->bd_mutex);