Module Name: src Committed By: ozaki-r Date: Fri Apr 24 08:53:06 UTC 2015
Modified Files: src/sys/netinet6: ip6_output.c Log Message: Avoid NULL checks for a variable that is definitely NULL To generate a diff of this commit: cvs rdiff -u -r1.163 -r1.164 src/sys/netinet6/ip6_output.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/netinet6/ip6_output.c diff -u src/sys/netinet6/ip6_output.c:1.163 src/sys/netinet6/ip6_output.c:1.164 --- src/sys/netinet6/ip6_output.c:1.163 Mon Feb 2 03:14:02 2015 +++ src/sys/netinet6/ip6_output.c Fri Apr 24 08:53:06 2015 @@ -1,4 +1,4 @@ -/* $NetBSD: ip6_output.c,v 1.163 2015/02/02 03:14:02 christos Exp $ */ +/* $NetBSD: ip6_output.c,v 1.164 2015/04/24 08:53:06 ozaki-r Exp $ */ /* $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $ */ /* @@ -62,7 +62,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.163 2015/02/02 03:14:02 christos Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.164 2015/04/24 08:53:06 ozaki-r Exp $"); #include "opt_inet.h" #include "opt_inet6.h" @@ -167,7 +167,7 @@ ip6_output( bool tso; struct route ip6route; struct rtentry *rt = NULL; - const struct sockaddr_in6 *dst = NULL; + const struct sockaddr_in6 *dst; struct sockaddr_in6 src_sa, dst_sa; int error = 0; struct in6_ifaddr *ia = NULL; @@ -543,8 +543,7 @@ ip6_output( /* scope check is done. */ if (rt == NULL || IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) { - if (dst == NULL) - dst = satocsin6(rtcache_getdst(ro)); + dst = satocsin6(rtcache_getdst(ro)); KASSERT(dst != NULL); } else if (opt && rtcache_validate(&opt->ip6po_nextroute) != NULL) { /* @@ -555,7 +554,7 @@ ip6_output( dst = (struct sockaddr_in6 *)opt->ip6po_nexthop; } else if ((rt->rt_flags & RTF_GATEWAY)) dst = (struct sockaddr_in6 *)rt->rt_gateway; - else if (dst == NULL) + else dst = satocsin6(rtcache_getdst(ro)); /*