tree 5c2083ad85142b2385669ba9fc01061de24debc8
parent 9913b8c8f05b0aad97432900fa3b2cdfd557eeb5
author Eric Dumazet <edumazet@google.com> 1348272509 +0000
committer David S. Miller <davem@davemloft.net> 1348342505 -0400

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>