From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 5 Dec 2007 09:51:58 +0000 (-0800)
Subject: [UDP]: Avoid repeated counting of checksum errors due to peeking
X-Git-Tag: v2.6.25-rc1~1162^2~1210
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27ab2568649d5ba6c5a20212079b7c4f6da4ca0d;p=pandora-kernel.git

[UDP]: Avoid repeated counting of checksum errors due to peeking

Currently it is possible for two processes to peek on the same socket
and end up incrementing the error counter twice for the same packet.

This patch fixes it by making skb_kill_datagram return whether it
succeeded in unlinking the packet and only incrementing the counter
if it did.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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