route: sprinkle more assert

diff --git a/src/route.c b/src/route.c
index 480215ccef8aadcd9a758a25346ce949ddfa02bf..7d4c68034301d05748f5d18329ebc085547b71e6 100644 (file)
--- a/src/route.c
+++ b/src/route.c
@@ -342,6 +342,9 @@ rt_recvrt(int cmd, const struct rt *rt)
        struct rt *f;
 
        assert(rt != NULL);
+       assert(rt->rt_ifp != NULL);
+       assert(rt->rt_ifp->ctx != NULL);
+
        ctx = rt->rt_ifp->ctx;
        f = rt_find(&ctx->kroutes, rt);