fix return code in interface_ip_add_target_route

diff --git a/interface-ip.c b/interface-ip.c
index 3957b48..6699d2e 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -144,7 +144,7 @@ interface_ip_add_target_route(union if_addr *addr, bool v6)
 
        route = calloc(1, sizeof(*route));
        if (!route)
-               return false;
+               return NULL;
 
        route->flags = v6 ? DEVADDR_INET6 : DEVADDR_INET4;
        route->mask = v6 ? 128 : 32;