Fix a memory leak in the ieee802154_add_iface() error handling path.
Detected by Coverity: CID 710490.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) {
                type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]);
-               if (type >= __IEEE802154_DEV_MAX)
-                       return -EINVAL;
+               if (type >= __IEEE802154_DEV_MAX) {
+                       rc = -EINVAL;
+                       goto nla_put_failure;
+               }
        }
 
        dev = phy->add_iface(phy, devname, type);