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correct ip_multicast_if fix to always set ifp (tnx Shiva)

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This commit is contained in:
itojun 2003-08-19 00:17:38 +00:00
parent 677644de4b
commit 4f8ba921cd
1 changed files with 6 additions and 4 deletions
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10
sys/netinet/ip_output.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_output.c,v 1.110 2003/08/18 22:23:22 itojun Exp $ */
/* $NetBSD: ip_output.c,v 1.111 2003/08/19 00:17:38 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -98,7 +98,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.110 2003/08/18 22:23:22 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.111 2003/08/19 00:17:38 itojun Exp $");
#include "opt_pfil_hooks.h"
#include "opt_ipsec.h"
@ -1464,7 +1464,7 @@ ip_multicast_if(a, ifindexp)
int *ifindexp;
{
int ifindex;
struct ifnet *ifp;
struct ifnet *ifp = NULL;
struct in_ifaddr *ia;
if (ifindexp)
@ -1479,8 +1479,10 @@ ip_multicast_if(a, ifindexp)
} else {
LIST_FOREACH(ia, &IN_IFADDR_HASH(a->s_addr), ia_hash) {
if (in_hosteq(ia->ia_addr.sin_addr, *a) &&
(ia->ia_ifp->if_flags & IFF_MULTICAST) != 0)
(ia->ia_ifp->if_flags & IFF_MULTICAST) != 0) {
ifp = ia->ia_ifp;
break;
}
}
}
return ifp;