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tcp_input: simplify redundant assignment. no functional changes.

This commit is contained in:
yamt 2011-04-25 22:12:43 +00:00
parent 9c28d8c767
commit 3e17d0f5a4
1 changed files with 7 additions and 7 deletions
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14
sys/netinet/tcp_input.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_input.c,v 1.310 2011/04/20 14:08:07 wiz Exp $ */
/* $NetBSD: tcp_input.c,v 1.311 2011/04/25 22:12:43 yamt Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -145,7 +145,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.310 2011/04/20 14:08:07 wiz Exp $");
__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.311 2011/04/25 22:12:43 yamt Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -1006,7 +1006,8 @@ tcp_input(struct mbuf *m, ...)
struct tcpcb *tp = 0;
int tiflags;
struct socket *so = NULL;
int todrop, dupseg, acked, ourfinisacked, needoutput = 0;
int todrop, acked, ourfinisacked, needoutput = 0;
bool dupseg;
#ifdef TCP_DEBUG
short ostate = 0;
#endif
@ -1057,15 +1058,14 @@ tcp_input(struct mbuf *m, ...)
* Note: IP leaves IP header in first mbuf.
*/
ip = mtod(m, struct ip *);
#ifdef INET6
ip6 = NULL;
#endif
switch (ip->ip_v) {
#ifdef INET
case 4:
#ifdef INET6
ip6 = NULL;
#endif
af = AF_INET;
iphlen = sizeof(struct ip);
ip = mtod(m, struct ip *);
IP6_EXTHDR_GET(th, struct tcphdr *, m, toff,
sizeof(struct tcphdr));
if (th == NULL) {