1 files changed, 5 insertions, 4 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index d9416b5162bc..85164d4d3e53 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1503,23 +1503,23 @@ csum_err:
 }
 EXPORT_SYMBOL(tcp_v4_do_rcv);
 
-void tcp_v4_early_demux(struct sk_buff *skb)
+int tcp_v4_early_demux(struct sk_buff *skb)
 {
         const struct iphdr *iph;
         const struct tcphdr *th;
         struct sock *sk;
 
         if (skb->pkt_type != PACKET_HOST)
-                return;
+                return 0;
 
         if (!pskb_may_pull(skb, skb_transport_offset(skb) + sizeof(struct tcphdr)))
-                return;
+                return 0;
 
         iph = ip_hdr(skb);
         th = tcp_hdr(skb);
 
         if (th->doff < sizeof(struct tcphdr) / 4)
-                return;
+                return 0;
 
         sk = __inet_lookup_established(dev_net(skb->dev), &tcp_hashinfo,
                                        iph->saddr, th->source,
@@ -1538,6 +1538,7 @@ void tcp_v4_early_demux(struct sk_buff *skb)
                                 skb_dst_set_noref(skb, dst);
                 }
         }
+        return 0;
 }
 
 bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb)