From 3e427a3363edbc8416c36815c2f7de4621739273 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 10 Apr 2017 11:15:18 +1000 Subject: [PATCH] ftgmac100: Factor tx packet dropping path Use a simple goto to a drop path at the tail of the function, it will be used in a few more cases soon Signed-off-by: Benjamin Herrenschmidt Signed-off-by: David S. Miller --- drivers/net/ethernet/faraday/ftgmac100.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 18b0217..c8162d2 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -640,10 +640,7 @@ static int ftgmac100_hard_start_xmit(struct sk_buff *skb, if (unlikely(skb->len > MAX_PKT_SIZE)) { if (net_ratelimit()) netdev_dbg(netdev, "tx packet too big\n"); - - netdev->stats.tx_dropped++; - kfree_skb(skb); - return NETDEV_TX_OK; + goto drop; } map = dma_map_single(priv->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); @@ -651,10 +648,7 @@ static int ftgmac100_hard_start_xmit(struct sk_buff *skb, /* drop packet */ if (net_ratelimit()) netdev_err(netdev, "map socket buffer failed\n"); - - netdev->stats.tx_dropped++; - kfree_skb(skb); - return NETDEV_TX_OK; + goto drop; } txdes = ftgmac100_current_txdes(priv); @@ -694,6 +688,13 @@ static int ftgmac100_hard_start_xmit(struct sk_buff *skb, ftgmac100_txdma_normal_prio_start_polling(priv); return NETDEV_TX_OK; + + drop: + /* Drop the packet */ + dev_kfree_skb_any(skb); + netdev->stats.tx_dropped++; + + return NETDEV_TX_OK; } static void ftgmac100_free_buffers(struct ftgmac100 *priv) -- 2.7.4