From: Christoph Hellwig <hch@lst.de>
Date: Thu, 8 Apr 2021 19:41:40 +0000 (+0200)
Subject: block: initialize ret in bdev_disk_changed
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d173b65aa75fe8d97bccf429c001633910d20bfb;p=linux.git

block: initialize ret in bdev_disk_changed

Avoid a potentially initialized variabe in the invalidate case.

Fixes: d3c4a43d9291 ("block: refactor blk_drop_partitions")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20210408194140.1816537-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 594a1bee9dd9a..363015fcffdbb 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);