diff options
| -rw-r--r-- | drivers/md/dm-ioctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 777c948180f9..8da7a017b4ef 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); |