qlcnic: Avoid double free of skb in tx path
authorSucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Fri, 3 Jun 2011 05:52:18 +0000 (05:52 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 5 Jun 2011 21:18:19 +0000 (14:18 -0700)
buffer->skb should be marked NULL to avoid double free of the skb.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/qlcnic/qlcnic_main.c

index 3ab7d2c7baf20f2fb3ae3407b7eda7f113d6136a..0f6af5c61a7ca98b2cf5e0a5a44e5ff41eb9360a 100644 (file)
@@ -2159,6 +2159,7 @@ qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
 
        nf = &pbuf->frag_array[0];
        pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+       pbuf->skb = NULL;
 }
 
 static inline void