tree 007a32df4a36fa13c5dca1860595b1b3f6ff65e3
parent 41e268565a1f597b3d8f37d8075e6be7e40fd8f9
author Eric Dumazet <edumazet@google.com> 1348556620 +0000
committer David S. Miller <davem@davemloft.net> 1348593709 -0400

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>