diff options
| -rw-r--r-- | drivers/md/md.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 4c9836885d3..1c2f9048e1a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6618,6 +6618,9 @@ static int md_open(struct block_device *bdev, fmode_t mode) struct mddev *mddev = mddev_find(bdev->bd_dev); int err; + if (!mddev) + return -ENODEV; + if (mddev->gendisk != bdev->bd_disk) { /* we are racing with mddev_put which is discarding this * bd_disk. |