linux-kernel - [PATCH] cpufreq/amd-pstate-ut: Fix an "Uninitialized variables" issue

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Message-Id: <20240910233923.46470-1-qianqiang.liu@163.com>
Date: Wed, 11 Sep 2024 07:39:24 +0800
From: Qianqiang Liu <qianqiang.liu@....com>
To: ray.huang@....com,
	gautham.shenoy@....com,
	mario.limonciello@....com,
	perry.yuan@....com
Cc: rafael@...nel.org,
	viresh.kumar@...aro.org,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Qianqiang Liu <qianqiang.liu@....com>
Subject: [PATCH] cpufreq/amd-pstate-ut: Fix an "Uninitialized variables" issue

Using uninitialized value "mode2" when calling "amd_pstate_get_mode_string".
Set "mode2" to "AMD_PSTATE_DISABLE" by default.

Signed-off-by: Qianqiang Liu <qianqiang.liu@....com>
---
 drivers/cpufreq/amd-pstate-ut.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/amd-pstate-ut.c b/drivers/cpufreq/amd-pstate-ut.c
index c291b3dbec38..f66701514d90 100644
--- a/drivers/cpufreq/amd-pstate-ut.c
+++ b/drivers/cpufreq/amd-pstate-ut.c
@@ -270,7 +270,7 @@ static int amd_pstate_set_mode(enum amd_pstate_mode mode)
 
 static void amd_pstate_ut_check_driver(u32 index)
 {
-	enum amd_pstate_mode mode1, mode2;
+	enum amd_pstate_mode mode1, mode2 = AMD_PSTATE_DISABLE;
 	int ret;
 
 	for (mode1 = AMD_PSTATE_DISABLE; mode1 < AMD_PSTATE_MAX; mode1++) {
-- 
2.39.2