From e28cf8d983268a6ea669f4292d8e1912bfc701c8 Mon Sep 17 00:00:00 2001
From: vsky <blue205@centrum.cz>
Date: Tue, 1 Sep 2020 21:26:25 +0200
Subject: [PATCH] Fixes `net.ifinfo` failure

---
 app/modules/net.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/modules/net.c b/app/modules/net.c
index 74356d26..1455dea5 100644
--- a/app/modules/net.c
+++ b/app/modules/net.c
@@ -983,7 +983,10 @@ field_from_ipaddr(lua_State *L, const char * field_name, ip_addr_t* addr) {
 
 static int net_ifinfo( lua_State* L ) {
   int ifidx = luaL_optint(L, 1, 0);
-
+  if (ifidx != 0 && ifidx != 1) {
+    return 0;
+  }
+  
   struct netif * nif = eagle_lwip_getif(ifidx);
   if (nif == NULL) {
     return 0;
@@ -1004,8 +1007,8 @@ static int net_ifinfo( lua_State* L ) {
     field_from_ipaddr(L, "server_ip" , &nif->dhcp->server_ip_addr  );
     field_from_ipaddr(L, "client_ip" , &nif->dhcp->offered_ip_addr );
     field_from_ipaddr(L, "ntp_server", &nif->dhcp->offered_ntp_addr);
+    lua_setfield(L, -2, "dhcp");
   }
-  lua_setfield(L, -2, "dhcp");
 
   return 1;
 }