This is to fix the following maybe-uninitialized warning:
drivers/net/ethernet/marvell/mvpp2.c:6007:18: warning: 'err' may be
used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
                /* Map physical Rx queue to port's logical Rx queue */
                rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
-               if (!rxq)
+               if (!rxq) {
+                       err = -ENOMEM;
                        goto err_free_percpu;
+               }
                /* Map this Rx queue to a physical queue */
                rxq->id = port->first_rxq + queue;
                rxq->port = port->id;