From 9ba79d3a1aec40d66b2d9570ae51715b151461bd Mon Sep 17 00:00:00 2001
From: Markos Fountoulakis <44345837+mfundul@users.noreply.github.com>
Date: Mon, 8 Feb 2021 17:38:40 +0200
Subject: Fix crash during shutdown of cgroups internal plugin. (#10614)

---
 collectors/cgroups.plugin/sys_fs_cgroup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'collectors')

diff --git a/collectors/cgroups.plugin/sys_fs_cgroup.c b/collectors/cgroups.plugin/sys_fs_cgroup.c
index 705c517355..df1f5f21a8 100644
--- a/collectors/cgroups.plugin/sys_fs_cgroup.c
+++ b/collectors/cgroups.plugin/sys_fs_cgroup.c
@@ -3937,9 +3937,10 @@ static void cgroup_main_cleanup(void *ptr) {
 
     if (!discovery_thread.exited) {
         info("stopping discovery thread worker");
-        uv_mutex_unlock(&discovery_thread.mutex);
+        uv_mutex_lock(&discovery_thread.mutex);
         discovery_thread.start_discovery = 1;
         uv_cond_signal(&discovery_thread.cond_var);
+        uv_mutex_unlock(&discovery_thread.mutex);
     }
 
     while (!discovery_thread.exited && max > 0) {
-- 
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