bmips: fix Tx cleanup when NAPI poll budget is zero

NAPI poll() function may be passed a budget value of zero, i.e. during
netpoll, which isn't NAPI context.
Therefore, napi_consume_skb() must be given budget value instead of
!force to truly discern netpoll-like scenarios.

https://lore.kernel.org/netdev/[email protected]/t/#m470f5c20225e76fb08c44d6cfa2f1b739ffaaea4
Signed-off-by: Sieng-Piaw Liew <[email protected]>
[improve code format]
Signed-off-by: Álvaro Fernández Rojas <[email protected]>

target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c

@@ -442,7 +442,8 @@ static int bcm6368_enetsw_receive_queue(struct net_device *dev, int budget)
 /*
  * try to or force reclaim of transmitted buffers
  */
-static int bcm6368_enetsw_tx_reclaim(struct net_device *dev, int force)
+static int bcm6368_enetsw_tx_reclaim(struct net_device *dev, int force,
+				     int budget)
 {
 	struct bcm6368_enetsw *priv = netdev_priv(dev);
 	unsigned int bytes = 0;
@@ -483,7 +484,7 @@ static int bcm6368_enetsw_tx_reclaim(struct net_device *dev, int force)
 			dev->stats.tx_errors++;
 
 		bytes += skb->len;
-		napi_consume_skb(skb, !force);
+		napi_consume_skb(skb, budget);
 		released++;
 	}
 
@@ -511,7 +512,7 @@ static int bcm6368_enetsw_poll(struct napi_struct *napi, int budget)
 			 DMAC_IR_REG, priv->tx_chan);
 
 	/* reclaim sent skb */
-	bcm6368_enetsw_tx_reclaim(dev, 0);
+	bcm6368_enetsw_tx_reclaim(dev, 0, budget);
 
 	spin_lock(&priv->rx_lock);
 	rx_work_done = bcm6368_enetsw_receive_queue(dev, budget);
@@ -855,7 +856,7 @@ static int bcm6368_enetsw_stop(struct net_device *dev)
 	bcm6368_enetsw_disable_dma(priv, priv->rx_chan);
 
 	/* force reclaim of all tx buffers */
-	bcm6368_enetsw_tx_reclaim(dev, 1);
+	bcm6368_enetsw_tx_reclaim(dev, 1, 0);
 
 	/* free the rx buffer ring */
 	for (i = 0; i < priv->rx_ring_size; i++) {