diff --git a/drivers/md/md.c b/drivers/md/md.c index 3bb985679f34..a7a0e3acdb2f 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6192,6 +6192,9 @@ 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;