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Avoid use of cached pointers that might be stale due to mbuf operations.

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This commit is contained in:
mlelstv 2007-06-24 22:16:35 +00:00
parent df01a64b7a
commit f9a2fc4868
1 changed files with 6 additions and 5 deletions
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11
sys/dist/ipf/netinet/fil.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: fil.c,v 1.37 2007/06/16 10:52:26 martin Exp $ */
/* $NetBSD: fil.c,v 1.38 2007/06/24 22:16:35 mlelstv Exp $ */
/*
* Copyright (C) 1993-2003 by Darren Reed.
@ -154,7 +154,7 @@ struct file;
#if !defined(lint)
#if defined(__NetBSD__)
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fil.c,v 1.37 2007/06/16 10:52:26 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: fil.c,v 1.38 2007/06/24 22:16:35 mlelstv Exp $");
#else
static const char sccsid[] = "@(#)fil.c 1.36 6/5/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)Id: fil.c,v 2.243.2.109 2007/05/31 12:27:33 darrenr Exp";
@ -768,6 +768,7 @@ fr_info_t *fin;
* source of the original packet then this packet is
* not correct.
*/
icmp6 = fin->fin_dp;
ip6 = (ip6_t *)((char *)icmp6 + ICMPERR_ICMPHLEN);
if (IP6_NEQ(&fin->fin_fi.fi_dst,
(i6addr_t *)&ip6->ip6_src))
@ -1002,6 +1003,9 @@ fr_info_t *fin;
fin->fin_data[0] = *(u_short *)icmp;
if (fin->fin_dlen >= 6) /* ID field */
fin->fin_data[1] = icmp->icmp_id;
switch (icmp->icmp_type)
{
case ICMP_ECHOREPLY :
@ -1072,9 +1076,6 @@ fr_info_t *fin;
default :
break;
}
if (fin->fin_dlen >= 6) /* ID field */
fin->fin_data[1] = icmp->icmp_id;
}
frpr_short(fin, minicmpsz);