From 4396c5fbc85848c69b3318397a7ed8b67d76a05f Mon Sep 17 00:00:00 2001
From: Dragos Oancea <dragos.oancea@athonet.com>
Date: Thu, 14 Jul 2016 14:20:26 +0200
Subject: [PATCH] cdp: fix occasional segfault on process exit

---
 modules/cdp/diameter_peer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/cdp/diameter_peer.c b/modules/cdp/diameter_peer.c
index dd571b2d813..cd0b85ea3f0 100644
--- a/modules/cdp/diameter_peer.c
+++ b/modules/cdp/diameter_peer.c
@@ -411,6 +411,9 @@ void diameter_peer_destroy()
 	int pid,status;
 	handler *h;
 
+	if (!shutdownx_lock) {
+		return;
+	}
 	lock_get(shutdownx_lock);
 	if (*shutdownx) {
 		/* already other process is cleaning stuff */