From nobody Thu Dec 18 18:02:07 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 15A3D1946B8 for ; Thu, 27 Jun 2024 13:47:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719496053; cv=none; b=hJhPjjXQ3uwEroEKDpYjfKbjdcME013wuETnO1o1cUqDiLioZ5MFG2WtMJQxFqKuI7NLsBdrLz+jGZeiQ6y6AHTw9VlqCqkgep4jp2zbpMLMPTQ7z8aiXZPJzpJwEx87rumveCISQLur0dnUaUa0wawUwCZ8dxTDEf4StBHAf1Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719496053; c=relaxed/simple; bh=ZbwcNBkaCvxTyqLjwCfr9u0vykyNCm7VJyyxeRTuPew=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hZPPSaOQghfh1xfPTle7WkhJnNpURDM8Z46amjHXkuaelj/1HlpK5Ij0vMCeSMgrpPjO5gNx0j6KGrhUmwFhkE67ijHNL58K96p/PGWwsBzRBfWMmKDBQgH/EoLKXetfzi9YIUsGkvIdPmXygWtYzKy7KhNWDx1N2KYmUDzkM1Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=HHYyPUz+; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="HHYyPUz+" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45R9Y2OY018096; Thu, 27 Jun 2024 13:47:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=qcppdkim1; bh=IOWARdJ4qkdz/hHTjQ1+qcoJ IvPeuyV+pMrdVoLqR44=; b=HHYyPUz+h46U3P/neEwHeaGe2DrxZ909I3CzhUzF 4oTqNkFeB98cyAOJNB2wXdqhDFiZvAF//Akn+zNqfcMZ0yQPAYJCDyxz2/ib4S3X 261WLjVZCycbqr/LdWwWlZbklUDYa0aiX6HUuOaD6BWZG9Pnf6dgflCe9kXeQlfG n2Zuhe/rzyVJabQLV10YOTSbirtKoy/Pc+o6qE37v9B89p2Hvh+Beew3k5V4qWl4 K4pW9g7QPi9t6Fa6AZ4l/eFp1j+HqigzlvdSq1giFUjI8ZeZPoR8bmqNWqApYVAo Pnc1i0MzRRNY2Xo8OnjeTHi+LI8VdvlHqspX4LcspS6kGg== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ywnm6v2fq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jun 2024 13:47:22 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA05.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45RDlLmZ030847 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jun 2024 13:47:21 GMT Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 27 Jun 2024 06:47:20 -0700 From: Zijun Hu To: , CC: , Zijun Hu Subject: [PATCH] devres: Simple code optimization Date: Thu, 27 Jun 2024 21:47:16 +0800 Message-ID: <1719496036-24642-1-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: OJfWd-KgA61BIvN0pRLAkaXSo_4crxfT X-Proofpoint-ORIG-GUID: OJfWd-KgA61BIvN0pRLAkaXSo_4crxfT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-27_09,2024-06-27_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 mlxscore=0 malwarescore=0 mlxlogscore=939 lowpriorityscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2406270104 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Initialize an uninitialized struct member for devres_open_group() and simplify devm_percpu_match() implementation. Signed-off-by: Zijun Hu --- This change is intend to replace below one: https://lore.kernel.org/lkml/1718629765-32720-1-git-send-email-quic_zijuhu@= quicinc.com/#t drivers/base/devres.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 3df0025d12aa..5b1d498e83ab 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -567,6 +567,7 @@ void * devres_open_group(struct device *dev, void *id, = gfp_t gfp) grp->id =3D grp; if (id) grp->id =3D id; + grp->color =3D 0; =20 spin_lock_irqsave(&dev->devres_lock, flags); add_dr(dev, &grp->node[0]); @@ -1172,9 +1173,9 @@ static void devm_percpu_release(struct device *dev, v= oid *pdata) =20 static int devm_percpu_match(struct device *dev, void *data, void *p) { - struct devres *devr =3D container_of(data, struct devres, data); + void __percpu *ptr =3D *(void __percpu **)data; =20 - return *(void **)devr->data =3D=3D p; + return ptr =3D=3D (void __percpu *)p; } =20 /** --=20 2.7.4