diff --git a/drivers/md/md.c b/drivers/md/md.c index 9eb912823745f9..6c1e080aa45218 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6511,6 +6511,9 @@ 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;