From nobody Fri Oct 3 08:50:46 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 420D32FFDD4; Wed, 3 Sep 2025 13:18:12 +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=1756905496; cv=none; b=TgsJdv7OIklZ8BFgGRrKxx8ufD3G49JHtXTw15BMy3susJfRl2tLQuP7YihhKkaHOGoHXsbvkDX09UIbMY2tWcdkWligugbxbK2zIo0wpSPoi1WVnw3zAIGFBkEmaTZpZ4jtYHkbz+7aMW/xQQxNGV/m12uU/X0riyC5BE+55DA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756905496; c=relaxed/simple; bh=Ri+HnsehT5qmnrFfhsWPu06KH5Cd4uzOm/bRovy4hUE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CtON1wzVNm2wr1n8+TPOLKlw88E8Op5/TJx8WUoMaYHftSwKW7vh+voaW6aPJR0W7vd08z3CauFz2jac2vLYGX2fKDTulhXgAseeh5k0taDFT9tun0kzuHNa8RlmMdzTFgkqhSaKIUHqUJXUJ5Iv3daib//hX65mZdeRQMILMNs= 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: 6d9ec34288c811f0b29709d653e92f7d-20250903 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:ac5747f3-9e1d-490b-8e6c-f666a217ea55,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6493067,CLOUDID:9b0da8ae305601572ea3b633d2580e0b,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: 6d9ec34288c811f0b29709d653e92f7d-20250903 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 386945722; Wed, 03 Sep 2025 21:18:06 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id D7260E008FA2; Wed, 3 Sep 2025 21:18:05 +0800 (CST) X-ns-mid: postfix-68B8400D-6807325 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id 25471E008FA3; Wed, 3 Sep 2025 21:18:02 +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 03/10] cpufreq: intel_pstate: Use scope-based cleanup helper Date: Wed, 3 Sep 2025 21:17:26 +0800 Message-Id: <20250903131733.57637-4-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 Reviewed-by: Jonathan Cameron --- drivers/cpufreq/intel_pstate.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index f366d35c5840..925efb1e65be 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1209,6 +1209,17 @@ static bool hybrid_clear_max_perf_cpu(void) return ret; } =20 +static struct freq_qos_request *intel_pstate_cpufreq_get_req(int cpu) +{ + struct cpufreq_policy *policy __free(put_cpufreq_policy) =3D + cpufreq_cpu_get(cpu); + + if (!policy) + return NULL; + + return policy->driver_data; +} + static void __intel_pstate_get_hwp_cap(struct cpudata *cpu) { u64 cap; @@ -1698,19 +1709,13 @@ static ssize_t store_no_turbo(struct kobject *a, st= ruct kobj_attribute *b, static void update_qos_request(enum freq_qos_req_type type) { struct freq_qos_request *req; - struct cpufreq_policy *policy; int i; =20 for_each_possible_cpu(i) { struct cpudata *cpu =3D all_cpu_data[i]; unsigned int freq, perf_pct; =20 - policy =3D cpufreq_cpu_get(i); - if (!policy) - continue; - - req =3D policy->driver_data; - cpufreq_cpu_put(policy); + req =3D intel_pstate_cpufreq_get_req(i); =20 if (!req) continue; --=20 2.25.1