Commit 5e7d7fa5 authored Apr 17, 2007 by Aubrey.Li Committed by David S. Miller Apr 17, 2007

[NET]: Fix UDP checksum issue in net poll mode.



In net poll mode, the current checksum function doesn't consider the
kind of packet which is padded to reach a specific minimum length. I
believe that's the problem causing my test case failed. The following
patch fixed this issue.

Signed-off-by: Aubrey.Li <aubreylee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 55569ce2

net/core/netpoll.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -471,6 +471,13 @@ int __netpoll_rx(struct sk_buff *skb)
		if (skb->len < len \|\| len < iph->ihl*4)
		goto out;

		/*
		* Our transport medium may have padded the buffer out.
		* Now We trim to the true length of the frame.
		*/
		if (pskb_trim_rcsum(skb, len))
		goto out;

		if (iph->protocol != IPPROTO_UDP)
		goto out;