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bridge: multicast: call skb_checksum_{simple_, }validate

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Let's use these new, neat helpers.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Linus Lüssing 2015-05-02 14:01:06 +02:00 committed by David S. Miller
parent c19ae86a51
commit 3c9e4f8700
1 changed files with 4 additions and 24 deletions
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28
net/bridge/br_multicast.c
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@ -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))
goto out;
}
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))
goto out;
}
if (skb_checksum_validate(skb2, IPPROTO_ICMPV6, ip6_compute_pseudo))
goto out;
err = 0;