From 8a0d0667e3c0c83e473f22f309a69beb44ebe57e Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Mon, 29 Sep 2014 17:25:52 +1000
Subject: [PATCH] Check for initialised ckmsgq when checking if the queue is
 empty

---
 src/ckpool.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ckpool.c b/src/ckpool.c
index 21802096..e6fc2a9a 100644
--- a/src/ckpool.c
+++ b/src/ckpool.c
@@ -165,10 +165,11 @@ void ckmsgq_add(ckmsgq_t *ckmsgq, void *data)
 /* Return whether there are any messages queued in the ckmsgq linked list. */
 bool ckmsgq_empty(ckmsgq_t *ckmsgq)
 {
-	bool ret;
+	bool ret = true;
 
 	mutex_lock(&ckmsgq->lock);
-	ret = (ckmsgq->msgs->next == ckmsgq->msgs->prev);
+	if (ckmsgq->msgs)
+		ret = (ckmsgq->msgs->next == ckmsgq->msgs->prev);
 	mutex_unlock(&ckmsgq->lock);
 
 	return ret;