inet: ip early demux should avoid request sockets

When a request socket is created, we do not cache ip route
dst entry, like for timewait sockets.

Let's use sk_fullsock() helper.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 1f514a0..80067d5 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1518,7 +1518,7 @@ void tcp_v4_early_demux(struct sk_buff *skb)
        if (sk) {
                skb->sk = sk;
                skb->destructor = sock_edemux;
-               if (sk->sk_state != TCP_TIME_WAIT) {
+               if (sk_fullsock(sk)) {
                        struct dst_entry *dst = sk->sk_rx_dst;
 
                        if (dst)

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d89f028..e4761b2 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1583,7 +1583,7 @@ static void tcp_v6_early_demux(struct sk_buff *skb)
        if (sk) {
                skb->sk = sk;
                skb->destructor = sock_edemux;
-               if (sk->sk_state != TCP_TIME_WAIT) {
+               if (sk_fullsock(sk)) {
                        struct dst_entry *dst = sk->sk_rx_dst;
 
                        if (dst)