From: Eric Dumazet <edumazet@google.com>
Date: Sat, 22 Sep 2012 00:08:29 +0000 (+0000)
Subject: ipv4: raw: fix icmp_filter()
X-Git-Tag: v3.6~22^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab43ed8b7490cb387782423ecf74aeee7237e591;p=pandora-kernel.git

ipv4: raw: fix icmp_filter()

icmp_filter() should not modify its input, or else its caller
would need to recompute ip_hdr() if skb->head is reallocated.

Use skb_header_pointer() instead of pskb_may_pull() and
change the prototype to make clear both sk and skb are const.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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