ipv4: raw: fix icmp_filter()

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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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Eric Dumazet 2012-09-22 00:08:29 +00:00 • committed by David S. Miller

parent 9913b8c8f0

commit ab43ed8b74

1 changed files with 8 additions and 6 deletions

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net/ipv4/raw.c

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