inet6: guard getting RA routers if inet6 not initialised

Now that we get inet6 routes even when only building inet routes
we need to guard as the RA routers collection could be NULL.

diff --git a/src/ipv6.c b/src/ipv6.c
index 18f32c6c729fe08c96557c6f64b7c929a79f0d44..0ac9f095f34083649da581d62fe542ad33e76380 100644 (file)
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -2323,6 +2323,9 @@ inet6_raroutes(rb_tree_t *routes, struct dhcpcd_ctx *ctx)
        struct ra *rap;
        const struct ipv6_addr *addr;
 
+       if (ctx->ra_routers == NULL)
+               return 0;
+
        TAILQ_FOREACH(rap, ctx->ra_routers, next) {
                if (rap->expired)
                        continue;