[src/trunk]: src/sys/netinet Add a KASSERT.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/27a8904d1c7f
branches:  trunk
changeset: 829775:27a8904d1c7f
user:      maxv <maxv%NetBSD.org@localhost>
date:      Mon Feb 12 08:13:08 2018 +0000

description:
Add a KASSERT.

diffstat:

 sys/netinet/tcp_input.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 94cf7dfd80b3 -r 27a8904d1c7f sys/netinet/tcp_input.c
--- a/sys/netinet/tcp_input.c   Mon Feb 12 08:08:28 2018 +0000
+++ b/sys/netinet/tcp_input.c   Mon Feb 12 08:13:08 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tcp_input.c,v 1.377 2018/02/12 08:08:28 maxv Exp $     */
+/*     $NetBSD: tcp_input.c,v 1.378 2018/02/12 08:13:08 maxv Exp $     */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -148,7 +148,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.377 2018/02/12 08:08:28 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.378 2018/02/12 08:13:08 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1616,6 +1616,8 @@
                union syn_cache_sa src;
                union syn_cache_sa dst;
 
+               KASSERT(tp->t_state == TCPS_LISTEN);
+
                memset(&src, 0, sizeof(src));
                memset(&dst, 0, sizeof(dst));
                switch (af) {