From 0e8642cf369a37b718c15effa6ffd52c00fd7d15 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
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 <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
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 11b20474be831..f0794f0232bae 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
--
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