From 6f55309025c0593ba89fb3d5168033c098fb1b03 Mon Sep 17 00:00:00 2001
From: Brad Parker <bparker@reach3d.net>
Date: Thu, 26 Mar 2015 23:15:53 -0400
Subject: [PATCH] fix comparison error

---
 neighbor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/neighbor.cpp b/neighbor.cpp
index f43eea6..64aac5a 100644
--- a/neighbor.cpp
+++ b/neighbor.cpp
@@ -181,7 +181,7 @@ QString Neighbor::macOfIP(QString ip, bool *ok) const {
   nl_cache_free(neigh_cache);
   nl_socket_free(sock);
 
-  if(mac == NULL || count == 0) {
+  if(mac[0] == '\0' || count == 0) {
     if(ok != NULL) {
       *ok = true;
     }