From e6ad7fc0dca9f83700a34cd2881179b591f5a011 Mon Sep 17 00:00:00 2001
From: PolynomialDivision <vincent@systemli.org>
Date: Mon, 31 Jul 2017 16:53:24 +0200
Subject: [PATCH] Fix Nullpointer

---
 src/utils/ubus.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/utils/ubus.c b/src/utils/ubus.c
index 7aba365..e9bd6ab 100644
--- a/src/utils/ubus.c
+++ b/src/utils/ubus.c
@@ -238,6 +238,11 @@ static int subscribe_to_hostapd_interfaces(char *hostapd_dir) {
     }
 
     dirp = opendir(hostapd_dir);  // error handling?
+    if(!dirp)
+    {
+        fprintf(stderr, "No hostapd sockets!\n");
+        return -1;
+    }
     while ((entry = readdir(dirp)) != NULL) {
         if (entry->d_type == DT_SOCK) {
             char subscribe_name[256];