From 0e8642cf369a37b718c15effa6ffd52c00fd7d15 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 31 Jul 2020 19:09:29 -0700 Subject: [PATCH] tcp: fix build fong CONFIG_MPTCP=n Fixes these errors: net/ipv4/syncookies.c: In function 'tcp_get_cookie_sock': net/ipv4/syncookies.c:216:19: error: 'struct tcp_request_sock' has no member named 'drop_req' 216 | if (tcp_rsk(req)->drop_req) { | ^~ net/ipv4/syncookies.c: In function 'cookie_tcp_reqsk_alloc': net/ipv4/syncookies.c:289:27: warning: unused variable 'treq' [-Wunused-variable] 289 | struct tcp_request_sock *treq; | ^~~~ make[3]: *** [scripts/Makefile.build:280: net/ipv4/syncookies.o] Error 1 make[3]: *** Waiting for unfinished jobs.... Fixes: 9466a1ccebbe ("mptcp: enable JOIN requests even if cookies are in use") Signed-off-by: Eric Dumazet Cc: Florian Westphal Acked-by: Florian Westphal Signed-off-by: David S. Miller --- net/ipv4/syncookies.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index 11b20474be83..f0794f0232ba 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -213,7 +213,7 @@ struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb, tcp_sk(child)->tsoffset = tsoff; sock_rps_save_rxhash(child, skb); - if (tcp_rsk(req)->drop_req) { + if (rsk_drop_req(req)) { refcount_set(&req->rsk_refcnt, 2); return child; } @@ -286,10 +286,11 @@ struct request_sock *cookie_tcp_reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk, struct sk_buff *skb) { - struct tcp_request_sock *treq; struct request_sock *req; #ifdef CONFIG_MPTCP + struct tcp_request_sock *treq; + if (sk_is_mptcp(sk)) ops = &mptcp_subflow_request_sock_ops; #endif