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Diffstat (limited to 'net/ipv6/af_inet6.c')
-rw-r--r--net/ipv6/af_inet6.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index c802bc1658a..bd91eadcbe3 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -799,24 +799,34 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
int proto;
__wsum csum;
- if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
+ iph = skb_gro_header(skb, sizeof(*iph));
+ if (unlikely(!iph))
goto out;
- iph = ipv6_hdr(skb);
- __skb_pull(skb, sizeof(*iph));
+ skb_gro_pull(skb, sizeof(*iph));
+ skb_set_transport_header(skb, skb_gro_offset(skb));
- flush += ntohs(iph->payload_len) != skb->len;
+ flush += ntohs(iph->payload_len) != skb_gro_len(skb);
rcu_read_lock();
- proto = ipv6_gso_pull_exthdrs(skb, iph->nexthdr);
- iph = ipv6_hdr(skb);
- IPV6_GRO_CB(skb)->proto = proto;
+ proto = iph->nexthdr;
ops = rcu_dereference(inet6_protos[proto]);
- if (!ops || !ops->gro_receive)
- goto out_unlock;
+ if (!ops || !ops->gro_receive) {
+ __pskb_pull(skb, skb_gro_offset(skb));
+ proto = ipv6_gso_pull_exthdrs(skb, proto);
+ skb_gro_pull(skb, -skb_transport_offset(skb));
+ skb_reset_transport_header(skb);
+ __skb_push(skb, skb_gro_offset(skb));
+
+ if (!ops || !ops->gro_receive)
+ goto out_unlock;
+
+ iph = ipv6_hdr(skb);
+ }
+
+ IPV6_GRO_CB(skb)->proto = proto;
flush--;
- skb_reset_transport_header(skb);
nlen = skb_network_header_len(skb);
for (p = *head; p; p = p->next) {