linux-kernel - [PATCH] drm/loongson: Fix return value check for kzalloc

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Message-Id: <20250415015414.4150082-1-nichen@iscas.ac.cn>
Date: Tue, 15 Apr 2025 09:54:14 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: suijingfeng@...ngson.cn,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH] drm/loongson: Fix return value check for kzalloc

kzalloc doesn't return ERR_PTR, delete unneeded IS_ERR test.

Signed-off-by: Chen Ni <nichen@...as.ac.cn>
---
 drivers/gpu/drm/loongson/lsdc_gfxpll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/loongson/lsdc_gfxpll.c b/drivers/gpu/drm/loongson/lsdc_gfxpll.c
index 249c09d703ad..50b9f45db5b0 100644
--- a/drivers/gpu/drm/loongson/lsdc_gfxpll.c
+++ b/drivers/gpu/drm/loongson/lsdc_gfxpll.c
@@ -179,7 +179,7 @@ int loongson_gfxpll_create(struct drm_device *ddev,
 	int ret;
 
 	this = kzalloc(sizeof(*this), GFP_KERNEL);
-	if (IS_ERR_OR_NULL(this))
+	if (!this)
 		return -ENOMEM;
 
 	this->ddev = ddev;
-- 
2.25.1