提交 dedb845d 编写于 作者: K KY Srinivasan 提交者: David S. Miller

hyperv: Fix a bug in netvsc_start_xmit()

After the packet is successfully sent, we should not touch the skb
as it may have been freed. This patch is based on the work done by
Long Li <longli@microsoft.com>.

In this version of the patch I have fixed issues pointed out by David.
David, please queue this up for stable.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Tested-by: NLong Li <longli@microsoft.com>
Tested-by: NSitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 c5bb86c3
......@@ -387,6 +387,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
int hdr_offset;
u32 net_trans_info;
u32 hash;
u32 skb_length = skb->len;
/* We will atmost need two pages to describe the rndis
......@@ -562,7 +563,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
drop:
if (ret == 0) {
net->stats.tx_bytes += skb->len;
net->stats.tx_bytes += skb_length;
net->stats.tx_packets++;
} else {
kfree(packet);
......
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