rt_addr & source address selection

[Martin Pieuchot]

Instead of dereferencing ``rt->rt_ifa'' to get the address, let's use
``rt_addr''.

ok?


Index: netinet/in_pcb.c
===================================================================
RCS file: /cvs/src/sys/netinet/in_pcb.c,v
retrieving revision 1.206
diff -u -p -r1.206 in_pcb.c
--- netinet/in_pcb.c    19 Apr 2016 22:16:25 -0000      1.206
+++ netinet/in_pcb.c    14 Jun 2016 09:57:25 -0000
@@ -924,8 +924,10 @@ in_selectsrc(struct in_addr **insrc, str
         * If we found a route, use the address
         * corresponding to the outgoing interface.
         */
-       if (ro->ro_rt != NULL)
-               ia = ifatoia(ro->ro_rt->rt_ifa);
+       if (ro->ro_rt != NULL) {
+               *insrc = &satosin(ro->ro_rt->rt_addr)->sin_addr;
+               return (0);
+       }
 
        if (ia == NULL)
                return (EADDRNOTAVAIL);
Index: netinet6/in6_src.c
===================================================================
RCS file: /cvs/src/sys/netinet6/in6_src.c,v
retrieving revision 1.72
diff -u -p -r1.72 in6_src.c
--- netinet6/in6_src.c  5 Dec 2015 13:21:00 -0000       1.72
+++ netinet6/in6_src.c  14 Jun 2016 09:57:26 -0000
@@ -257,8 +257,11 @@ in6_selectsrc(struct in6_addr **in6src, 
                                ia6 = in6_ifawithscope(ifp, dst, rtableid);
                                if_put(ifp);
                        }
-                       if (ia6 == NULL) /* xxx scope error ?*/
-                               ia6 = ifatoia6(ro->ro_rt->rt_ifa);
+                       if (ia6 == NULL) { /* xxx scope error ?*/
+                               *in6src =
+                                   &satosin6(ro->ro_rt->rt_addr)->sin6_addr;
+                               return (0);
+                       }
                }
                if (ia6 == NULL)
                        return (EHOSTUNREACH);  /* no route */