It is not clear that no other thread cannot open the block device when __blkget_dev drops it and loop to restart label. Reset first_open to false when looping. Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx> --- fs/block_dev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index 9c073dbdc1b0..a3083fbada8b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1525,7 +1525,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) int ret; int partno; int perm = 0; - bool first_open = false; + bool first_open; if (mode & FMODE_READ) perm |= MAY_READ; @@ -1545,6 +1545,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) restart: ret = -ENXIO; + first_open = false; disk = bdev_get_gendisk(bdev, &partno); if (!disk) goto out; -- 2.23.0
