Date: Sat, 20 Nov 2010 12:27:40 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r215559 - head/sys/netinet6 Message-ID: <201011201227.oAKCRemT011730@svn.freebsd.org>
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Author: bz Date: Sat Nov 20 12:27:40 2010 New Revision: 215559 URL: http://svn.freebsd.org/changeset/base/215559 Log: In case of an early return from the function there is no need to zero the route upfront, so defer as long as we can. MFC after: 3 days Modified: head/sys/netinet6/nd6_nbr.c Modified: head/sys/netinet6/nd6_nbr.c ============================================================================== --- head/sys/netinet6/nd6_nbr.c Sat Nov 20 12:26:31 2010 (r215558) +++ head/sys/netinet6/nd6_nbr.c Sat Nov 20 12:27:40 2010 (r215559) @@ -390,8 +390,6 @@ nd6_ns_output(struct ifnet *ifp, const s caddr_t mac; struct route_in6 ro; - bzero(&ro, sizeof(ro)); - if (IN6_IS_ADDR_MULTICAST(taddr6)) return; @@ -418,6 +416,8 @@ nd6_ns_output(struct ifnet *ifp, const s return; m->m_pkthdr.rcvif = NULL; + bzero(&ro, sizeof(ro)); + if (daddr6 == NULL || IN6_IS_ADDR_MULTICAST(daddr6)) { m->m_flags |= M_MCAST; im6o.im6o_multicast_ifp = ifp;
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