From e08f477413a7dc4f2aa3214541cd4a3e2470603d Mon Sep 17 00:00:00 2001
From: Lucian Balaceanu <lucian.balaceanu@1and1.ro>
Date: Wed, 26 Oct 2016 10:23:51 +0300
Subject: [PATCH] Empty other_ml stops call creation

---
 daemon/redis.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/daemon/redis.c b/daemon/redis.c
index f2d91fc27..a56a6972a 100644
--- a/daemon/redis.c
+++ b/daemon/redis.c
@@ -1285,6 +1285,8 @@ static int redis_link_tags(struct redis *r, struct call *c, struct redis_list *t
 			return -1;
 		for (l = q.head; l; l = l->next) {
 			other_ml = l->data;
+			if (!other_ml)
+			    return -1;
 			g_hash_table_insert(ml->other_tags, &other_ml->tag, other_ml);
 		}
 		g_queue_clear(&q);