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Make sure icmp6_redirect_input frees mbuf before return

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This commit is contained in:
ozaki-r 2016-05-17 03:24:46 +00:00
parent 28b6430ec6
commit 31da384114
1 changed files with 5 additions and 5 deletions
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10
sys/netinet6/icmp6.c
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@ -1,4 +1,4 @@
/* $NetBSD: icmp6.c,v 1.183 2016/05/12 02:24:17 ozaki-r Exp $ */
/* $NetBSD: icmp6.c,v 1.184 2016/05/17 03:24:46 ozaki-r Exp $ */
/* $KAME: icmp6.c,v 1.217 2001/06/20 15:03:29 jinmei Exp $ */
/*
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.183 2016/05/12 02:24:17 ozaki-r Exp $");
__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.184 2016/05/17 03:24:46 ozaki-r Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -2140,8 +2140,8 @@ icmp6_redirect_input(struct mbuf *m, int off)
struct in6_addr reddst6;
union nd_opts ndopts;
if (!ifp)
return;
if (ifp == NULL)
goto freeit;
/* XXX if we are router, we don't update route by icmp6 redirect */
if (ip6_forwarding)
@ -2277,7 +2277,7 @@ icmp6_redirect_input(struct mbuf *m, int off)
if (0 <= ip6_maxdynroutes && rtcount >= ip6_maxdynroutes)
goto freeit;
if (0 <= icmp6_redirect_hiwat && rtcount > icmp6_redirect_hiwat)
return;
goto freeit;
else if (0 <= icmp6_redirect_lowat &&
rtcount > icmp6_redirect_lowat) {
/*