* bgp_route.c: Don't crash while clearing route tables if there is
          no particular afi/safi configured.

	[backport candidate]
diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c
index 8c8fa52..9009638 100644
--- a/bgpd/bgp_route.c
+++ b/bgpd/bgp_route.c
@@ -2270,6 +2270,10 @@
   if (! table)
     table = (rsclient) ? rsclient->rib[afi][safi] : peer->bgp->rib[afi][safi];
 
+  /* If still no table => afi/safi isn't configured at all or smth. */
+  if (! table)
+    return;
+
   for (rn = bgp_table_top (table); rn; rn = bgp_route_next (rn))
     {
       for (ri = rn->info; ri; ri = ri->next)