linux-kernel - [PATCH AUTOSEL 5.5 309/542] selftests: Uninitialized variable in test_cgcore_proc

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Date:   Fri, 14 Feb 2020 10:45:01 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Michal Koutný <mkoutny@...e.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-kselftest@...r.kernel.org
Subject: [PATCH AUTOSEL 5.5 309/542] selftests: Uninitialized variable in test_cgcore_proc_migration()

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit 192c197cbca599321de95a4cf15c2fa0681140d3 ]

The "c_threads" variable is used in the error handling code before it
has been initialized

Fixes: 11318989c381 ("selftests: cgroup: Add task migration tests")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Michal Koutný <mkoutny@...e.com>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/cgroup/test_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c
index c5ca669feb2bd..e19ce940cd6a2 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -369,7 +369,7 @@ static void *dummy_thread_fn(void *arg)
 static int test_cgcore_proc_migration(const char *root)
 {
 	int ret = KSFT_FAIL;
-	int t, c_threads, n_threads = 13;
+	int t, c_threads = 0, n_threads = 13;
 	char *src = NULL, *dst = NULL;
 	pthread_t threads[n_threads];
 
-- 
2.20.1