net: arc_emac: use dev_kfree_skb_any instead of dev_kfree_skb

Replace dev_kfree_skb with dev_kfree_skb_any in arc_emac_tx()
which can be called from hard irq context (netpoll) and from
other contexts. arc_emac_tx() only frees skbs that it has
dropped.

This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/arc/emac_main.c

@@ -633,7 +633,7 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev)
 	if (unlikely(dma_mapping_error(&ndev->dev, addr))) {
 		stats->tx_dropped++;
 		stats->tx_errors++;
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		return NETDEV_TX_OK;
 	}
 	dma_unmap_addr_set(&priv->tx_buff[*txbd_curr], addr, addr);