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Message-Id: <1476884872-15213-1-git-send-email-weiyj.lk@gmail.com> Date: Wed, 19 Oct 2016 13:47:52 +0000 From: Wei Yongjun <weiyj.lk@...il.com> To: Caesar Wang <wxt@...k-chips.com>, "David S. Miller" <davem@...emloft.net>, Alexander Kochetkov <al.kochet@...il.com>, Philippe Reynes <tremyfr@...il.com>, Peter Chen <peter.chen@....com>, Wei Yongjun <weiyj.lk@...il.com> Cc: Wei Yongjun <weiyongjun1@...wei.com>, netdev@...r.kernel.org Subject: [PATCH -next] net: arc_emac: use dev_kfree_skb_any instead of dev_kfree_skb From: Wei Yongjun <weiyongjun1@...wei.com> 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@...wei.com> --- drivers/net/ethernet/arc/emac_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index b0da969..95d8b3e 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/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);
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