We had a few cases where we returned success on error.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                                                        NULL);
        if (!mac_addr_p) {
                dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n");
-               return 0;
+               return -EINVAL;
        }
 
        mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev,
        if (!mcastFilterSize_p) {
                dev_err(&dev->dev, "Can't find VETH_MCAST_FILTER_SIZE "
                        "attribute\n");
-               return 0;
+               return -EINVAL;
        }
 
        netdev = alloc_etherdev(sizeof(struct ibmveth_adapter));