From f7166bfde3e36005aab8637669bfa12789f45891 Mon Sep 17 00:00:00 2001
From: root <wangyucn@gmail.com>
Date: Sat, 30 Jun 2018 18:10:59 +0000
Subject: [PATCH] fix a core in dev detection

---
 main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/main.cpp b/main.cpp
index 3656e9c..c4fd371 100755
--- a/main.cpp
+++ b/main.cpp
@@ -810,6 +810,11 @@ int client_event_loop()
 			log_bare(log_warn,"%s:", d->name);
 			int cnt=0;
 			for(pcap_addr_t *a=d->addresses; a!=NULL; a=a->next) {
+				if(a->addr==NULL)
+				{
+					log_bare(log_debug," [a->addr==NULL]");
+					continue;
+				}
 				if(a->addr->sa_family == AF_INET)
 				{
 					cnt++;