src/rrd_daemon.c: fix Coverity CID#13637 Missing unlock

        CWE-667 / https://cwe.mitre.org/data/definitions/667.html

diff --git a/src/rrd_daemon.c b/src/rrd_daemon.c
index 70bfdc128d0efb307373fae2ef05769864452aa5..53d6a5506d073ce0cb9e0fbdb97f551639e7d7ca 100644 (file)
--- a/src/rrd_daemon.c
+++ b/src/rrd_daemon.c
@@ -1603,6 +1603,7 @@ static int handle_request_update (HANDLER_PROTO) /* {{{ */
 
     /* state may have changed while we were unlocked */
     if (state == SHUTDOWN) {
+      pthread_mutex_unlock(&cache_lock);
       rc = -1;
       goto done;
     }