提交 11faa7b0 编写于 作者: D Dan Carpenter 提交者: David S. Miller

net: tc35815: move free after the dereference

We dereference "skb" to get "skb->len" so we should probably do that
step before freeing the skb.

Fixes: eea221ce ("tc35815 driver update (take 2)")
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 1510d728
......@@ -1017,8 +1017,8 @@ tc35815_free_queues(struct net_device *dev)
BUG_ON(lp->tx_skbs[i].skb != skb);
#endif
if (skb) {
dev_kfree_skb(skb);
pci_unmap_single(lp->pci_dev, lp->tx_skbs[i].skb_dma, skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb(skb);
lp->tx_skbs[i].skb = NULL;
lp->tx_skbs[i].skb_dma = 0;
}
......
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