From nobody Fri Dec 19 16:07:20 2025 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 167442036E8 for ; Tue, 15 Apr 2025 01:55:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744682164; cv=none; b=of5vELNF8b9BHraX945r/PQhwVz8DY3iw0Z78NtmTufHHDvJXpkDX9SJEOQdodN6ymGCEwUrx2hIghfO1BTmoBgsK8zM/c17I5QxoBmCRJgWL7sRLxTCAg6alcGf+lRaadOsr1OmDEL413Ye84iE48nr0+rRZa2l0BK4pYFephw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744682164; c=relaxed/simple; bh=yMMexKHaP35ncA/UtPAuHzx232WGQY6JiFigxlioZqc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=ZEPNtLue+DM+BRE0BQVKHDs67xLqMke0sq9eoS1p05+ZpWEByeTrFVJSDp5TYbhpFgMbetkevToFIGqLY+h9KSdvE/mUyyDH9rL1FyzxJ+L96Jcd0S54SJdctNmIBdQw7mnsZwREaKEZPclugzEt2wbkGUc6EjVGZJ1YJYsVcCc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost (unknown [124.16.138.129]) by APP-01 (Coremail) with SMTP id qwCowAAXvf2ivP1nhmvrCA--.42931S2; Tue, 15 Apr 2025 09:55:47 +0800 (CST) From: Chen Ni To: suijingfeng@loongson.cn, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Chen Ni Subject: [PATCH] drm/loongson: Fix return value check for kzalloc Date: Tue, 15 Apr 2025 09:54:14 +0800 Message-Id: <20250415015414.4150082-1-nichen@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowAAXvf2ivP1nhmvrCA--.42931S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw4kZF45XrWkuFykKr17ZFb_yoWxurg_Ca yavrs3WFyDJFnrZw17Cw4jyFyavFyruan3Za17t3saq347Xr18Za43ur15Xa43urW7XF90 ya18uryfZrs7KjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb4xFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJV WxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_ Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14 v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8 JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUd-B_UUU UU= X-CM-SenderInfo: xqlfxv3q6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" kzalloc doesn't return ERR_PTR, delete unneeded IS_ERR test. Signed-off-by: Chen Ni --- 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/loong= son/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; =20 this =3D kzalloc(sizeof(*this), GFP_KERNEL); - if (IS_ERR_OR_NULL(this)) + if (!this) return -ENOMEM; =20 this->ddev =3D ddev; --=20 2.25.1