From eb1f6822d7497a6ed5708878e979603ee89ca18c Mon Sep 17 00:00:00 2001
From: Simon Morlat <simon.morlat@linphone.org>
Date: Fri, 26 Jul 2013 22:09:16 +0200
Subject: [PATCH] fix crash when receiving a NOTIFY for a closed subscription.

---
 coreapi/bellesip_sal/sal_impl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coreapi/bellesip_sal/sal_impl.c b/coreapi/bellesip_sal/sal_impl.c
index e2052dc15..6ddecefd8 100644
--- a/coreapi/bellesip_sal/sal_impl.c
+++ b/coreapi/bellesip_sal/sal_impl.c
@@ -181,7 +181,7 @@ static void process_request_event(void *sal, const belle_sip_request_event_t *ev
 
 	if (dialog) {
 		op=(SalOp*)belle_sip_dialog_get_application_data(dialog);
-		if (op==NULL && op->state==SalOpStateTerminated){
+		if (op==NULL || op->state==SalOpStateTerminated){
 			ms_warning("Receiving request for null or terminated op [%p], ignored",op);
 			return;
 		}