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Subject[PATCH 1/2] bridge: multicast: call skb_checksum_{simple_,}validate
Date
Let's use these new, neat helpers.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
---
net/bridge/br_multicast.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 4b6722f..b52f4cb 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -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;

--
1.7.10.4


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