From ef902cf087c9e637880dd8ffbbe1aacacfc01711 Mon Sep 17 00:00:00 2001
From: "7u83@mail.ru" <7u83@mail.ru@noemail.net>
Date: Wed, 29 Apr 2015 09:39:13 +0000
Subject: [PATCH] Does not seg fault, if connlist_destroy is called with NULL
 pointer.

FossilOrigin-Name: b6c763cf443b6549e2f35d2c9ccc69fe0f7e7bbbb8118098dbe52a1e52f80e82
---
 src/capwap/connlist.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/capwap/connlist.c b/src/capwap/connlist.c
index 734db01e..ffa08c33 100644
--- a/src/capwap/connlist.c
+++ b/src/capwap/connlist.c
@@ -63,6 +63,9 @@ void connlist_unlock(struct connlist * cl)
 
 void connlist_destroy(struct connlist * cl)
 {
+	if (!cl)
+		return;
+
 	if (cl->t)
 		avltree_destroy(cl->t);
 	pthread_mutex_destroy(&cl->connlist_mutex);