svn commit: r244440 - head/sys/netinet6
Andrey V. Elsukov
ae at FreeBSD.org
Wed Dec 19 17:08:50 UTC 2012
Author: ae
Date: Wed Dec 19 17:08:49 2012
New Revision: 244440
URL: http://svnweb.freebsd.org/changeset/base/244440
Log:
Make dst_sa initialization only when it is actually needed.
MFC after: 1 week
Modified:
head/sys/netinet6/ip6_output.c
Modified: head/sys/netinet6/ip6_output.c
==============================================================================
--- head/sys/netinet6/ip6_output.c Wed Dec 19 17:02:07 2012 (r244439)
+++ head/sys/netinet6/ip6_output.c Wed Dec 19 17:08:49 2012 (r244440)
@@ -636,18 +636,21 @@ again:
/* adjust pointer */
ip6 = mtod(m, struct ip6_hdr *);
- bzero(&dst_sa, sizeof(dst_sa));
- dst_sa.sin6_family = AF_INET6;
- dst_sa.sin6_len = sizeof(dst_sa);
- dst_sa.sin6_addr = ip6->ip6_dst;
if (ro->ro_rt) {
rt = ro->ro_rt;
ifp = ro->ro_rt->rt_ifp;
- } else if ((error = in6_selectroute_fib(&dst_sa, opt, im6o, ro,
- &ifp, &rt, inp ? inp->inp_inc.inc_fibnum : M_GETFIB(m))) != 0) {
- if (ifp != NULL)
- in6_ifstat_inc(ifp, ifs6_out_discard);
- goto bad;
+ } else {
+ bzero(&dst_sa, sizeof(dst_sa));
+ dst_sa.sin6_family = AF_INET6;
+ dst_sa.sin6_len = sizeof(dst_sa);
+ dst_sa.sin6_addr = ip6->ip6_dst;
+ error = in6_selectroute_fib(&dst_sa, opt, im6o, ro, &ifp,
+ &rt, inp ? inp->inp_inc.inc_fibnum : M_GETFIB(m));
+ if (error != 0) {
+ if (ifp != NULL)
+ in6_ifstat_inc(ifp, ifs6_out_discard);
+ goto bad;
+ }
}
if (rt == NULL) {
/*
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