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cxfb4vf: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb. 

Replace kfree_skb with dev_consume_skb_any in free_tx_desc that can be
called in hard irq and other contexts. dev_consume_skb_any is used
as this function consumes successfully transmitted skbs.

Replace dev_kfree_skb with dev_kfree_skb_any in t4vf_eth_xmit that can
be called in hard irq and other contexts, on paths that drop the skb.

Replace dev_kfree_skb with dev_consume_skb_any in t4vf_eth_xmit that can
be called in hard irq and other contexts, on paths that successfully
transmit the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
hifive-unleashed-5.1
Eric W. Biederman 2014-03-15 16:31:32 -07:00
parent a7525198a8
commit 42ffda5fe7
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/chelsio/cxgb4vf/sge.c
View File

@ -401,7 +401,7 @@ static void free_tx_desc(struct adapter *adapter, struct sge_txq *tq,
if (sdesc->skb) {
if (need_unmap)
unmap_sgl(dev, sdesc->skb, sdesc->sgl, tq);
kfree_skb(sdesc->skb);
dev_consume_skb_any(sdesc->skb);
sdesc->skb = NULL;
}
@ -1275,7 +1275,7 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev)
* need it any longer.
*/
inline_tx_skb(skb, &txq->q, cpl + 1);
dev_kfree_skb(skb);
dev_consume_skb_any(skb);
} else {
/*
* Write the skb's Scatter/Gather list into the TX Packet CPL
@ -1354,7 +1354,7 @@ out_free:
* An error of some sort happened. Free the TX skb and tell the
* OS that we've "dealt" with the packet ...
*/
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}