linux-kernel - [PATCH 2/4] drm/amd/display: Fix warning comparing pointer to 0

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Date: Mon,  1 Jul 2024 15:04:53 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: harry.wentland@....com
Cc: sunpeng.li@....com,
	Rodrigo.Siqueira@....com,
	alexander.deucher@....com,
	christian.koenig@....com,
	Xinhui.Pan@....com,
	airlied@...il.com,
	daniel@...ll.ch,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH 2/4] drm/amd/display: Fix warning comparing pointer to 0

Avoid pointer type value compared with 0 to make code clear.

./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c:19:12-13: WARNING comparing pointer to 0.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9458
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 .../amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c
index ce83c10253a2..55085b85f8ed 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c
@@ -16,7 +16,7 @@ bool dml2_mcg_create(enum dml2_project_id project_id, struct dml2_mcg_instance *
 {
 	bool result = false;
 
-	if (out == 0)
+	if (!out)
 		return false;
 
 	memset(out, 0, sizeof(struct dml2_mcg_instance));
-- 
2.20.1.7.g153144c