[PATCH] block: initialize variable ret with 0

[Muhammad Usama Anjum]

ret variable is not being set if get_capacity returns 0 in very first
try. It should be initialized with 0 for this case.

Addresses-Coverity: ("Uninitialized variable")
Fixes: d3c4a43d92 ("block: refactor blk_drop_partitions")
Signed-off-by: Muhammad Usama Anjum <musamaan...@gmail.com>
---
 fs/block_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index bb02b4be7f1c..986951bfee85 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1240,7 +1240,7 @@ 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);
 
-- 
2.25.1