inet: Sanitize inet{,6} protocol demux.

[karo-tx-linux.git] / net / ipv6 / ip6_input.c

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 21a15dfe4a9e86d85bd9793a4b507861a6a705ea..5ab923e51af3d4232afe9ea56af0933b7dcb8b9c 100644 (file)
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -168,13 +168,12 @@ drop:
 
 static int ip6_input_finish(struct sk_buff *skb)
 {
+       struct net *net = dev_net(skb_dst(skb)->dev);
        const struct inet6_protocol *ipprot;
+       struct inet6_dev *idev;
        unsigned int nhoff;
        int nexthdr;
        bool raw;
-       u8 hash;
-       struct inet6_dev *idev;
-       struct net *net = dev_net(skb_dst(skb)->dev);
 
        /*
         *      Parse extension headers
@@ -189,9 +188,7 @@ resubmit:
        nexthdr = skb_network_header(skb)[nhoff];
 
        raw = raw6_local_deliver(skb, nexthdr);
-
-       hash = nexthdr & (MAX_INET_PROTOS - 1);
-       if ((ipprot = rcu_dereference(inet6_protos[hash])) != NULL) {
+       if ((ipprot = rcu_dereference(inet6_protos[nexthdr])) != NULL) {
                int ret;
 
                if (ipprot->flags & INET6_PROTO_FINAL) {