Revert "ipv6: Fix protocol resubmission"

This reverts commit 0243508edd317ff1fa63b495643a7c192fbfcd92.

It introduces new regressions.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 41a73da371a9230511f8c3e58351b3cf0034d1dc..f2e464eba5efdb7b2a8abe3c2cecedae473777e7 100644 (file)
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -212,13 +212,13 @@ static int ip6_input_finish(struct sock *sk, struct sk_buff *skb)
         */
 
        rcu_read_lock();
+resubmit:
        idev = ip6_dst_idev(skb_dst(skb));
        if (!pskb_pull(skb, skb_transport_offset(skb)))
                goto discard;
        nhoff = IP6CB(skb)->nhoff;
        nexthdr = skb_network_header(skb)[nhoff];
 
-resubmit:
        raw = raw6_local_deliver(skb, nexthdr);
        ipprot = rcu_dereference(inet6_protos[nexthdr]);
        if (ipprot) {
@@ -246,12 +246,10 @@ resubmit:
                        goto discard;
 
                ret = ipprot->handler(skb);
-               if (ret < 0) {
-                       nexthdr = -ret;
+               if (ret > 0)
                        goto resubmit;
-               } else if (ret == 0) {
+               else if (ret == 0)
                        IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS);
-               }
        } else {
                if (!raw) {
                        if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {