Commit 3c9e4f87 authored by Linus Lüssing's avatar Linus Lüssing Committed by David S. Miller
Browse files

bridge: multicast: call skb_checksum_{simple_, }validate 



Let's use these new, neat helpers.

Signed-off-by: default avatarLinus Lüssing <linus.luessing@c0d3.blue>
Acked-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c19ae86a

net/bridge/br_multicast.c

+4 −24
Original line number Diff line number Diff line
@@ -1610,16 +1610,8 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br, 
	if (!pskb_may_pull(skb2, sizeof(*ih)))

		goto out;



	switch (skb2->ip_summed) {

	case CHECKSUM_COMPLETE:

		if (!csum_fold(skb2->csum))

			break;

		/* fall through */

	case CHECKSUM_NONE:

		skb2->csum = 0;

		if (skb_checksum_complete(skb2))

	if (skb_checksum_simple_validate(skb2))

		goto out;

	}



	err = 0;
@@ -1737,20 +1729,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, 


	ip6h = ipv6_hdr(skb2);



	switch (skb2->ip_summed) {

	case CHECKSUM_COMPLETE:

		if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, skb2->len,

					IPPROTO_ICMPV6, skb2->csum))

			break;

		/*FALLTHROUGH*/

	case CHECKSUM_NONE:

		skb2->csum = ~csum_unfold(csum_ipv6_magic(&ip6h->saddr,

							&ip6h->daddr,

							skb2->len,

							IPPROTO_ICMPV6, 0));

		if (__skb_checksum_complete(skb2))

	if (skb_checksum_validate(skb2, IPPROTO_ICMPV6, ip6_compute_pseudo))

		goto out;

	}



	err = 0;