From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9BED2274B53; Wed, 27 Aug 2025 02:33:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756262003; cv=none; b=ImuXDPpstskLocHMj8ezeTvmrW57QpgyPw39YD37WIGG6p4H4Yu/1eLSY6miNZk5iC16UMYEC7h77HeoUaAK16RHNdbVbhhyjG8IjIInHslpCDJiXrNHTWkaLDJmOWrVxjs9cSrQDgRqg4JWBaQRDWfAkSHmhYjGAirS47MqpoI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756262003; c=relaxed/simple; bh=PNqX9DaOJhZpVmh3AJHV2oF9xa7264gAeDqy5YZ3O1g=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tzi4xmTYSN2+S11FWYSf2KojzHm5u6L3lnjUB6FGJxbVHp6/3FiGrDcfUndsPAdfBQq+y98n/e5QuI5zFaKZ/e2vloFNR9vWeL52Zq1DVW6TyBxcN5Ei9M5FDWpJwbDAUxu5WdJYGkHGPLDFF4pxnmmEJqiN45E8YBRROFlKwzI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 2f55d79a82ee11f0b29709d653e92f7d-20250827 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:f5b84325-56d7-4bff-9325-647f2c0ae4f1,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:6493067,CLOUDID:3c6e133d2f67ea6d5913ce8d71ce8a39,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|850,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 2f55d79a82ee11f0b29709d653e92f7d-20250827 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1538814642; Wed, 27 Aug 2025 10:33:15 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id A6A7CE008FAB; Wed, 27 Aug 2025 10:33:14 +0800 (CST) X-ns-mid: postfix-68AE6E6A-525672206 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id C4075E008FAA; Wed, 27 Aug 2025 10:33:08 +0800 (CST) From: Zihuan Zhang To: "Rafael J . wysocki" , Viresh Kumar , Catalin Marinas , Will Deacon , Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Markus Mayer , Florian Fainelli , Srinivas Pandruvada , Madhavan Srinivasan , Michael Ellerman , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , Jonathan Hunter , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Daniel Lezcano , Sascha Hauer , Shawn Guo , Eduardo Valentin , Keerthy , Matthias Brugger , AngeloGioacchino Del Regno Cc: zhenglifeng , "H . Peter Anvin" , Zhang Rui , Len Brown , Nicholas Piggin , Christophe Leroy , Lukasz Luba , Pengutronix Kernel Team , Beata Michalska , Fabio Estevam , Pavel Machek , Sumit Gupta , Prasanna Kumar T S M , Sudeep Holla , Yicong Yang , linux-pm@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org, linux-acpi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Zihuan Zhang Subject: [PATCH v2 03/18] ACPI: processor: thermal: Use __free(put_cpufreq_policy) for policy reference Date: Wed, 27 Aug 2025 10:31:47 +0800 Message-Id: <20250827023202.10310-4-zhangzihuan@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250827023202.10310-1-zhangzihuan@kylinos.cn> References: <20250827023202.10310-1-zhangzihuan@kylinos.cn> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Replace the manual cpufreq_cpu_put() with __free(put_cpufreq_policy) annotation for policy references. This reduces the risk of reference counting mistakes and aligns the code with the latest kernel style. No functional change intended. Signed-off-by: Zihuan Zhang --- drivers/acpi/processor_thermal.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_th= ermal.c index 1219adb11ab9..f99ed0812934 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -64,17 +64,13 @@ static int phys_package_first_cpu(int cpu) =20 static int cpu_has_cpufreq(unsigned int cpu) { - struct cpufreq_policy *policy; + struct cpufreq_policy *policy __free(put_cpufreq_policy); =20 if (!acpi_processor_cpufreq_init) return 0; =20 policy =3D cpufreq_cpu_get(cpu); - if (policy) { - cpufreq_cpu_put(policy); - return 1; - } - return 0; + return !!policy; } =20 static int cpufreq_get_max_state(unsigned int cpu) @@ -95,7 +91,7 @@ static int cpufreq_get_cur_state(unsigned int cpu) =20 static int cpufreq_set_cur_state(unsigned int cpu, int state) { - struct cpufreq_policy *policy; + struct cpufreq_policy *policy __free(put_cpufreq_policy); struct acpi_processor *pr; unsigned long max_freq; int i, ret; @@ -127,8 +123,6 @@ static int cpufreq_set_cur_state(unsigned int cpu, in= t state) max_freq =3D (policy->cpuinfo.max_freq * (100 - reduction_step(i) * cpufreq_thermal_reduction_pctg)) / 100= ; =20 - cpufreq_cpu_put(policy); - ret =3D freq_qos_update_request(&pr->thermal_req, max_freq); if (ret < 0) { pr_warn("Failed to update thermal freq constraint: CPU%d (%d)\n", --=20 2.25.1