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xgmac: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

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Replace dev_kfree_skb with dev_consume_skb_any in xgmac_tx_complete
that can be called in hard irq and other contexts.

Replace dev_kfree_skb with dev_kfree_skb_any in xgmac_xmit that can
be called in hard irq and other contexts.

dev_consume_skb_any is used in xgamc_tx_complete as skbs that reach
there have been successfully transmitted, dev_kfree_skby_any is used
in xgmac_xmit as skbs that are freed there are being dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2014-03-15 16:10:54 -07:00
parent c88b5b6a68
commit f5cf76ba62
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/calxeda/xgmac.c
View File

@ -897,7 +897,7 @@ static void xgmac_tx_complete(struct xgmac_priv *priv)
/* Check tx error on the last segment */
if (desc_get_tx_ls(p)) {
desc_get_tx_status(priv, p);
dev_kfree_skb(skb);
dev_consume_skb_any(skb);
}
priv->tx_skbuff[entry] = NULL;
@ -1105,7 +1105,7 @@ static netdev_tx_t xgmac_xmit(struct sk_buff *skb, struct net_device *dev)
len = skb_headlen(skb);
paddr = dma_map_single(priv->device, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(priv->device, paddr)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
priv->tx_skbuff[entry] = skb;
@ -1169,7 +1169,7 @@ dma_err:
desc = first;
dma_unmap_single(priv->device, desc_get_buf_addr(desc),
desc_get_buf_len(desc), DMA_TO_DEVICE);
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}