Commit 39471ac8 authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

icmp6: Call skb_checksum_validate 



Use skb_checksum_validate to verify checksum.

Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 29a96e1f

net/ipv6/icmp.c

+5 −16
Original line number Diff line number Diff line
@@ -692,23 +692,12 @@ static int icmpv6_rcv(struct sk_buff *skb) 
	saddr = &ipv6_hdr(skb)->saddr;

	daddr = &ipv6_hdr(skb)->daddr;



	/* Perform checksum. */

	switch (skb->ip_summed) {

	case CHECKSUM_COMPLETE:

		if (!csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_ICMPV6,

				     skb->csum))

			break;

		/* fall through */

	case CHECKSUM_NONE:

		skb->csum = ~csum_unfold(csum_ipv6_magic(saddr, daddr, skb->len,

					     IPPROTO_ICMPV6, 0));

		if (__skb_checksum_complete(skb)) {

	if (skb_checksum_validate(skb, IPPROTO_ICMPV6, ip6_compute_pseudo)) {

		LIMIT_NETDEBUG(KERN_DEBUG

			       "ICMPv6 checksum failed [%pI6c > %pI6c]\n",

			       saddr, daddr);

		goto csum_error;

	}

	}



	if (!pskb_pull(skb, sizeof(*hdr)))

		goto discard_it;