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icmp: Call skb_checksum_simple_validate 

Use skb_checksum_simple_validate to verify checksum.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2014-05-07 16:52:21 -07:00 committed by David S. Miller
parent de08dc1a8e
commit 29a96e1f36
1 changed files with 2 additions and 10 deletions
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12
net/ipv4/icmp.c
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@ -908,16 +908,8 @@ int icmp_rcv(struct sk_buff *skb)
ICMP_INC_STATS_BH(net, ICMP_MIB_INMSGS);
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
if (!csum_fold(skb->csum))
break;
/* fall through */
case CHECKSUM_NONE:
skb->csum = 0;
if (__skb_checksum_complete(skb))
goto csum_error;
}
if (skb_checksum_simple_validate(skb))
goto csum_error;
if (!pskb_pull(skb, sizeof(*icmph)))
goto error;