From e132ecc1810dc5b4e22ce7756e2db4aeac655d82 Mon Sep 17 00:00:00 2001
From: Simon Morlat <simon.morlat@linphone.org>
Date: Thu, 15 Dec 2016 14:42:12 +0100
Subject: [PATCH] fix crash

---
 coreapi/callbacks.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 95d5a3d30..5557f1962 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -855,13 +855,15 @@ static void call_failure(SalOp *op){
 	char *msg600=_("User does not want to be disturbed.");
 	char *msg603=_("Call declined.");
 	const char *msg=ei->full_string;
+	LinphoneCall *referer;
 	LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
-	LinphoneCall *referer=call->referer;
-
+	
 	if (call==NULL){
 		ms_warning("Call faillure reported on already terminated call.");
 		return ;
 	}
+	
+	referer=call->referer;
 
 	linphone_core_notify_show_interface(lc);
 	switch(ei->reason){