ibmvnic: Mark NAPI flag as disabled when released

Set adapter NAPI state as disabled if they are removed. This will allow
them to be enabled again if reallocated in case of a hard reset.
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

@@ -789,6 +789,7 @@ static void release_napi(struct ibmvnic_adapter *adapter)
 	kfree(adapter->napi);
 	adapter->napi = NULL;
 	adapter->num_active_rx_napi = 0;
+	adapter->napi_enabled = false;
 }
 
 static int ibmvnic_login(struct net_device *netdev)