block: initialize ret in bdev_disk_changed

Avoid a potentially initialized variabe in the invalidate case.

Fixes: d3c4a43d92 ("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>
This commit is contained in:
Christoph Hellwig 2021-04-08 21:41:40 +02:00 committed by Jens Axboe
parent 40c7fd3fdf
commit d173b65aa7

View File

@ -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);