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avoid panic on getsockopt(ICMPV6_FILTER).

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itojun 2000-01-05 16:46:18 +00:00
parent 671de62bb2
commit 751017ffff
1 changed files with 5 additions and 3 deletions
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8
sys/netinet6/icmp6.c
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@ -1,4 +1,4 @@
/* $NetBSD: icmp6.c,v 1.14 2000/01/02 16:31:18 itojun Exp $ */
/* $NetBSD: icmp6.c,v 1.15 2000/01/05 16:46:18 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -2041,11 +2041,13 @@ icmp6_ctloutput(op, so, level, optname, mp)
{
struct icmp6_filter *p;
p = mtod(m, struct icmp6_filter *);
if (!p || !in6p->in6p_icmp6filt) {
if (!in6p->in6p_icmp6filt) {
error = EINVAL;
break;
}
*mp = m = m_get(M_WAIT, MT_SOOPTS);
m->m_len = sizeof(struct icmp6_filter);
p = mtod(m, struct icmp6_filter *);
bcopy(in6p->in6p_icmp6filt, p,
sizeof(struct icmp6_filter));
error = 0;