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Unbreak ip_carp with WITHOUT_INET6 enabled by conditionalizing all IPv6

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structs under the INET6 #ifdef. Similarly (even though it doesn't seem
to affect the build), conditionalize all IPv4 structs under the INET
#ifdef

This also unbreaks the LINT-NOINET6 tinderbox target on amd64; I have not
verified other MACHINE/TARGET pairs (e.g. armv6/arm).

MFC after:	2 weeks
X-MFC with:	r310847
Pointyhat to:	jpaetzel
Reported by:	O. Hartmann <o.hartmann@walstatt.org>
This commit is contained in:
Enji Cooper 2016-12-30 21:33:01 +00:00
parent 93567e8778
commit cfff8d3dbd
1 changed files with 9 additions and 3 deletions
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12
sys/netinet/ip_carp.c
View file

@ -598,23 +598,29 @@ carp6_input(struct mbuf **mp, int *offp, int proto)
static int
carp_source_is_self(struct mbuf *m, struct ifaddr *ifa, sa_family_t af)
{
#ifdef INET
struct ip *ip4;
struct in_addr in4;
#endif
#ifdef INET6
struct ip6_hdr *ip6;
struct in6_addr in6;
#endif
switch (af) {
#ifdef INET
case AF_INET:
ip4 = mtod(m, struct ip *);
in4 = ifatoia(ifa)->ia_addr.sin_addr;
return (in4.s_addr == ip4->ip_src.s_addr);
#endif
#ifdef INET6
case AF_INET6:
ip6 = mtod(m, struct ip6_hdr *);
in6 = ifatoia6(ifa)->ia_addr.sin6_addr;
return (memcmp(&in6, &ip6->ip6_src, sizeof(in6)) == 0);
default: /* how did this happen? */
#endif
default:
break;
}
return (0);