netxen_nic: Fix phy link status

Pass the adapter phy link status to the caller.
Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c

@@ -559,7 +559,11 @@ nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val)
 	if (rcode != NX_RCODE_SUCCESS)
 		return -EIO;
 
-	return cmd.rsp.arg1;
+	if (val == NULL)
+		return -EIO;
+
+	*val = cmd.rsp.arg1;
+	return 0;
 }
 
 int