ibmvnic: Free RX socket buffer in case of adapter error

If a RX buffer is returned to the client driver with an error, free the
corresponding socket buffer before continuing.
Signed-off-by: NThomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/ibm/ibmvnic.c

@@ -1869,6 +1869,7 @@ static int ibmvnic_poll(struct napi_struct *napi, int budget)
 				   be16_to_cpu(next->rx_comp.rc));
 			/* free the entry */
 			next->rx_comp.first = 0;
+			dev_kfree_skb_any(rx_buff->skb);
 			remove_buff_from_pool(adapter, rx_buff);
 			continue;
 		}