diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 777c948180f9ae9b956f803eb92c659cb12b2937..8da7a017b4efbb84c0c1b6567e5bcf0a405479ce 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1550,8 +1550,10 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid) goto out; } - strcpy(name, hc->name); - strcpy(uuid, hc->uuid ? : ""); + if (name) + strcpy(name, hc->name); + if (uuid) + strcpy(uuid, hc->uuid ? : ""); out: up_read(&_hash_lock);