From: Evan Quan <evan.quan@amd.com>
Date: Thu, 19 Jul 2018 05:21:43 +0000 (+0800)
Subject: drm/amd/powerplay: fixed uninitialized value
X-Git-Tag: v4.18.8~38
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e327748100363bc9c36cce2b4ab357cadf2c8ee2;p=thirdparty%2Fkernel%2Fstable.git

drm/amd/powerplay: fixed uninitialized value

commit 1ce0688f3f6a9e9d34ae66bf779d54855def7bec upstream.

The 'result' is not initialized correctly. It causes the API
return an error code even on success.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index c98e5de777cd1..fcd2808874bf4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -490,7 +490,7 @@ static int vega12_get_number_dpm_level(struct pp_hwmgr *hwmgr,
 static int vega12_get_dpm_frequency_by_index(struct pp_hwmgr *hwmgr,
 		PPCLK_e clkID, uint32_t index, uint32_t *clock)
 {
-	int result;
+	int result = 0;
 
 	/*
 	 *SMU expects the Clock ID to be in the top 16 bits.