From 41b822c59e21414d829bcfd00df0c8f7f13b1b95 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 12 Mar 2015 16:44:08 -0700 Subject: [PATCH] inet: prepare sock_edemux() & sock_gen_put() for new SYN_RECV state sock_edemux() & sock_gen_put() should be ready to cope with request socks. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/request_sock.h | 5 +++++ include/net/sock.h | 2 +- net/core/sock.c | 2 ++ net/ipv4/inet_hashtables.c | 2 ++ 4 files changed, 10 insertions(+), 1 deletion(-) diff --git a/include/net/request_sock.h b/include/net/request_sock.h index e255ecf8bb40..3275cf31f731 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -77,6 +77,11 @@ static inline struct request_sock *reqsk_alloc(const struct request_sock_ops *op return req; } +static inline struct request_sock *inet_reqsk(struct sock *sk) +{ + return (struct request_sock *)sk; +} + static inline void __reqsk_free(struct request_sock *req) { kmem_cache_free(req->rsk_ops->slab, req); diff --git a/include/net/sock.h b/include/net/sock.h index 9411c3421dd3..f10832ca2e90 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1625,7 +1625,7 @@ static inline void sock_put(struct sock *sk) sk_free(sk); } /* Generic version of sock_put(), dealing with all sockets - * (TCP_TIMEWAIT, ESTABLISHED...) + * (TCP_TIMEWAIT, TCP_NEW_SYN_RECV, ESTABLISHED...) */ void sock_gen_put(struct sock *sk); diff --git a/net/core/sock.c b/net/core/sock.c index 63d871a91b5c..4bc42efb3e40 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1668,6 +1668,8 @@ void sock_edemux(struct sk_buff *skb) if (sk->sk_state == TCP_TIME_WAIT) inet_twsk_put(inet_twsk(sk)); + else if (sk->sk_state == TCP_NEW_SYN_RECV) + reqsk_put(inet_reqsk(sk)); else sock_put(sk); } diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index f6a12b97d12b..64401a2fdd33 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -262,6 +262,8 @@ void sock_gen_put(struct sock *sk) if (sk->sk_state == TCP_TIME_WAIT) inet_twsk_free(inet_twsk(sk)); + else if (sk->sk_state == TCP_NEW_SYN_RECV) + reqsk_free(inet_reqsk(sk)); else sk_free(sk); } -- 2.11.0