From 827eb99e965d7336c524e71d37ac99b5c89ff035 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sun, 29 Nov 2015 16:40:50 +0100
Subject: [PATCH] rrdtool: unlock mutex on error

CID 37972
---
 src/rrdtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/rrdtool.c b/src/rrdtool.c
index 764d6d65..e093f2b2 100644
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -733,7 +733,10 @@ static int rrd_cache_insert (const char *filename,
 	{
 		rc = malloc (sizeof (*rc));
 		if (rc == NULL)
+		{
+			pthread_mutex_unlock (&cache_lock);
 			return (-1);
+		}
 		rc->values_num = 0;
 		rc->values = NULL;
 		rc->first_value = 0;
-- 
2.11.0