From nobody Fri Oct 3 08:50:44 2025 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 A476B302774; Wed, 3 Sep 2025 13:18:17 +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=1756905500; cv=none; b=FOVC00v2tv236tbTVjZ1nZHLVhGfrfR5SndfKLeT9mrDneovmRh5fgHoZ5waEfkrlEz9Qf5xhi55CfN3+oUsOO9RreS4UjWUPJMY92un2sQf3uHAHC2V1u5yjjqLGj3/3gzUOk1yDvZ6iSiE7Ob+mVkFF63IZwUyPmeXeKup18E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756905500; c=relaxed/simple; bh=25xihmgNFYPtSP4uZbH8/sjypxcxoQ7omwmmQUSgg98=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Ikn23Kys/d/fvSZlLrRjewuMM3wfskKhEDFQATdyOARpfxa72XIGml24w1B2Uy3QXJsc2TzGwnKyLB6NvXm/ENxwInrsGvY4Diq6q4xu0DHdli57An4/z38VnPQnh35z/hjZ4WpbCbPXaABYvZg2zNo8MuhUG6g6Uq0QoXMzzgc= 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: 6fdb27e088c811f0b29709d653e92f7d-20250903 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:12ed8bd1-e772-4e2f-b7a0-b366cc106c8e,IP:0,U RL:0,TC:0,Content:38,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:38 X-CID-META: VersionHash:6493067,CLOUDID:c7bcb509d5c742570f4125e3bd0d306b,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|850,TC:nil,Content:4|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: 6fdb27e088c811f0b29709d653e92f7d-20250903 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1513682554; Wed, 03 Sep 2025 21:18:09 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id A2980E008FA2; Wed, 3 Sep 2025 21:18:09 +0800 (CST) X-ns-mid: postfix-68B84011-4806846 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id E3EF1E008FA4; Wed, 3 Sep 2025 21:18:05 +0800 (CST) From: Zihuan Zhang To: "Rafael J . wysocki" , Viresh Kumar , Catalin Marinas , Will Deacon , Borislav Petkov , Dave Hansen , Srinivas Pandruvada , Michael Ellerman , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jani Nikula , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Daniel Lezcano , Sascha Hauer , Shawn Guo , Eduardo Valentin , Keerthy Cc: Ben Horgan , zhenglifeng , Zhang Rui , Len Brown , 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, linux-acpi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Zihuan Zhang Subject: [PATCH v4 04/10] cpufreq: powernv: Use scope-based cleanup helper Date: Wed, 3 Sep 2025 21:17:27 +0800 Message-Id: <20250903131733.57637-5-zhangzihuan@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250903131733.57637-1-zhangzihuan@kylinos.cn> References: <20250903131733.57637-1-zhangzihuan@kylinos.cn> 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 Content-Type: text/plain; charset="utf-8" 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/cpufreq/powernv-cpufreq.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cp= ufreq.c index 7d9a5f656de8..811fdbf398fa 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -892,15 +892,15 @@ static int powernv_cpufreq_reboot_notifier(struct not= ifier_block *nb, unsigned long action, void *unused) { int cpu; - struct cpufreq_policy *cpu_policy; =20 rebooting =3D true; for_each_online_cpu(cpu) { - cpu_policy =3D cpufreq_cpu_get(cpu); + struct cpufreq_policy *cpu_policy __free(put_cpufreq_policy) =3D + cpufreq_cpu_get(cpu); + if (!cpu_policy) continue; powernv_cpufreq_target_index(cpu_policy, get_nominal_index()); - cpufreq_cpu_put(cpu_policy); } =20 return NOTIFY_DONE; @@ -913,7 +913,6 @@ static struct notifier_block powernv_cpufreq_reboot_nb = =3D { static void powernv_cpufreq_work_fn(struct work_struct *work) { struct chip *chip =3D container_of(work, struct chip, throttle); - struct cpufreq_policy *policy; unsigned int cpu; cpumask_t mask; =20 @@ -928,14 +927,14 @@ static void powernv_cpufreq_work_fn(struct work_struc= t *work) chip->restore =3D false; for_each_cpu(cpu, &mask) { int index; + struct cpufreq_policy *policy __free(put_cpufreq_policy) =3D + cpufreq_cpu_get(cpu); =20 - policy =3D cpufreq_cpu_get(cpu); if (!policy) continue; index =3D cpufreq_table_find_index_c(policy, policy->cur, false); powernv_cpufreq_target_index(policy, index); cpumask_andnot(&mask, &mask, policy->cpus); - cpufreq_cpu_put(policy); } out: cpus_read_unlock(); --=20 2.25.1