diff --git a/drivers/md/md.c b/drivers/md/md.c index bac480d75d1d9c3a3f367e3015b18a731ed26705..df9eb1a04f2665fd5fe470ac3ee1367b151bff88 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6525,6 +6525,9 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev) char b[BDEVNAME_SIZE]; struct md_rdev *rdev; + if (!mddev->pers) + return -ENODEV; + rdev = find_rdev(mddev, dev); if (!rdev) return -ENXIO;