* [PATCH -next] net: arc_emac: use dev_kfree_skb_any instead of dev_kfree_skb
@ 2016-10-19 13:47 Wei Yongjun
2016-10-19 19:16 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2016-10-19 13:47 UTC (permalink / raw)
To: Caesar Wang, David S. Miller, Alexander Kochetkov,
Philippe Reynes, Peter Chen, Wei Yongjun
Cc: Wei Yongjun, netdev
From: Wei Yongjun <weiyongjun1@huawei.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@huawei.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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