zebra: don't uninstall kernel routes

After the nexthop check is fixed, zebra will wrongly uninstall the kernel routes with inactive nexthop. This commit would skip the uninstallation for kernel routes. Signed-off-by: anlan_cs <[email protected]>
FRRouting · Dec 14, 2024 · 6cac71a · 6cac71a
1 parent d371c20
commit 6cac71a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c
@@ -1480,7 +1480,7 @@ static void rib_process(struct route_node *rn)
 		rib_process_update_fib(zvrf, rn, old_fib, new_fib);
 	else if (new_fib)
 		rib_process_add_fib(zvrf, rn, new_fib);
-	else if (old_fib)
+	else if (old_fib && !RIB_SYSTEM_ROUTE(old_fib))
 		rib_process_del_fib(zvrf, rn, old_fib);
 
 	/* Remove all RE entries queued for removal */