Fix a compile problem on Linux with IPv6 disabled.

diff --git a/if-linux.c b/if-linux.c
index ef448f9a7f42ca8f3e7c4c267180154e483d7e58..19416feaf1740549d15b568f37ca76c70668843f 100644 (file)
--- a/if-linux.c
+++ b/if-linux.c
@@ -436,13 +436,18 @@ link_route(struct dhcpcd_ctx *ctx, __unused struct interface *ifp,
 
        rta = (struct rtattr *)(void *)((char *)rtm +NLMSG_ALIGN(sizeof(*rtm)));
        len = NLMSG_PAYLOAD(nlm, sizeof(*rtm));
-       memset(&rt, 0, sizeof(rt));
-       rt.dest.s_addr = INADDR_ANY;
-       rt.net.s_addr = INADDR_ANY;
-       rt.gate.s_addr = INADDR_ANY;
+#ifdef INET
+       if (rtm->rtm_family == AF_INET)
+               memset(&rt, 0, sizeof(rt));
+#endif
+#ifdef INET6
+       if (rtm->rtm_family == AF_INET6)
+               memset(&rt6, 0, sizeof(rt6));
+#endif
        metric = 0;
        while (RTA_OK(rta, len)) {
                switch (rtm->rtm_family) {
+#ifdef INET
                case AF_INET:
                        switch (rta->rta_type) {
                        case RTA_DST:
@@ -459,6 +464,8 @@ link_route(struct dhcpcd_ctx *ctx, __unused struct interface *ifp,
                                break;
                        }
                        break;
+#endif
+#ifdef INET6
                case AF_INET6:
                        switch (rta->rta_type) {
                        case RTA_DST:
@@ -475,6 +482,7 @@ link_route(struct dhcpcd_ctx *ctx, __unused struct interface *ifp,
                                break;
                        }
                        break;
+#endif
                }
                switch (rta->rta_type) {
                case RTA_PRIORITY: