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(parent: 41e2685) | patch
ipv6: raw: fix icmpv6_filter()
authorEric Dumazet <edumazet@google.com>
Tue, 25 Sep 2012 07:03:40 +0000 (07:03 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 25 Sep 2012 17:21:49 +0000 (13:21 -0400)
commit1b05c4b50edbddbdde715c4a7350629819f6655e
tree007a32df4a36fa13c5dca1860595b1b3f6ff65e3tree | snapshot (tar.gz zip)
parent41e268565a1f597b3d8f37d8075e6be7e40fd8f9commit | diff
ipv6: raw: fix icmpv6_filter()

icmpv6_filter() should not modify its input, or else its caller
would need to recompute ipv6_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.

Also, if icmpv6 header cannot be found, do not deliver the packet,
as we do in IPv4.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/raw.c diff | blob | blame | history