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cxgb4: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.

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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 t4_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 t4_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>
This commit is contained in:
Eric W. Biederman 2014-03-15 16:29:49 -07:00
parent f9ec8131bb
commit a7525198a8
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/chelsio/cxgb4/sge.c
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@ -383,7 +383,7 @@ static void free_tx_desc(struct adapter *adap, struct sge_txq *q,
if (d->skb) { /* an SGL is present */
if (unmap)
unmap_sgl(dev, d->skb, d->sgl, q);
kfree_skb(d->skb);
dev_consume_skb_any(d->skb);
d->skb = NULL;
}
++d;
@ -1009,7 +1009,7 @@ netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev)
* anything shorter than an Ethernet header.
*/
if (unlikely(skb->len < ETH_HLEN)) {
out_free: dev_kfree_skb(skb);
out_free: dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
@ -1104,7 +1104,7 @@ out_free: dev_kfree_skb(skb);
if (immediate) {
inline_tx_skb(skb, &q->q, cpl + 1);
dev_kfree_skb(skb);
dev_consume_skb_any(skb);
} else {
int last_desc;