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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by MWH0EPF000A6734.mail.protection.outlook.com (10.167.249.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Fri, 6 Dec 2024 03:25:45 +0000 Received: from AUS-P9-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Thu, 5 Dec 2024 21:24:10 -0600 From: Mario Limonciello To: Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= CC: "Rafael J . Wysocki" , Len Brown , Maximilian Luz , Lee Chun-Yi , "Shyam Sundar S K" , Corentin Chary , "Luke D . Jones" , Ike Panhc , Henrique de Moraes Holschuh , "Alexis Belmonte" , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Ai Chao , Gergo Koteles , open list , "open list:ACPI" , "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" , "open list:THINKPAD ACPI EXTRAS DRIVER" , Mark Pearson , Matthew Schwartz , Mario Limonciello , Armin Wolf Subject: [PATCH v10 07/22] ACPI: platform_profile: Move matching string for new profile out of mutex Date: Thu, 5 Dec 2024 21:19:03 -0600 Message-ID: <20241206031918.1537-8-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241206031918.1537-1-mario.limonciello@amd.com> References: <20241206031918.1537-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000A6734:EE_|DS0PR12MB8416:EE_ X-MS-Office365-Filtering-Correlation-Id: 7231f82c-1bd7-4b09-8a0a-08dd15a5abda X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|7416014|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?B?aFE0djIzUFhDMDdla3RieXdMRGdGaWFwd2t2RHU0SnRCRTBxb0dkVlF5Y0Fo?= =?utf-8?B?RHZ5YTlaMCtNTkJ4R1A4WGNLaG1RdHZGVGc3QVFIVzZLc05GTVkrMDlQcmxY?= =?utf-8?B?aEFGUmJlN2wzTE9zLzdoejd5TGx1MFN3by9zRVVtZVdMS2JKS0pNQm8xaU1s?= =?utf-8?B?YzUrbU9DeWJnNDFrOTh2RW56S25NbWNIekZwN3BDRXVDV25kaVdMNUVMVjRQ?= =?utf-8?B?RGZ4UkFLeU1sU1NSbkU0WkRNOWJqalN4cVltRHRiN3pELytidUdUeCtFbDRj?= =?utf-8?B?bTVPSEpSYmEvalhOOUt3UHpodDVQb2xXS04xbVpNMldlSmZQUmFWZkNsTE1D?= =?utf-8?B?b2E2c2FVWlVad2FkczlVbkdzWklLSkVZaEhMMlFScmE0WVVSQjQ4SGU5RjYr?= =?utf-8?B?USswT0QranRhMHFnZnZ6TTQ3LzVGSGUwV0t3cHVsL1NXbmI3Wm9uMS91R1g3?= =?utf-8?B?ZHlnVEtqRjNSQXp6ek9DZXMwdkNRUmFkbVY0UW1wVmRqWFdqQkJ0NFFRNFRT?= =?utf-8?B?MFhzTFhIdzEwNmw2cmg4NDlXTXB6bVRxZ2VyWGplU3h1OUtLckhuZ2dXcGN4?= =?utf-8?B?ak9KVkhuNnVpVjZSS0FNUFF3V1hXeVZQc2ExR3ZINlZic0ZsSHA5TlR2SXZL?= =?utf-8?B?S2dlVys0cE9JUjNYRDl6Q3pwd2RTamdKUEtTbmF4MEhmMzA2MDd2UjVaeThX?= =?utf-8?B?NVhaSTJkaGRsUk91V2lCTWtmb0hDaG9ldzZMamM1bDc2K3J4OXE4dVdmbjVB?= =?utf-8?B?WUQyZy8vcE5FS1NoV1JzQ0JwbDlRaUlFMHNxSXc0VEQ4UjN1OHRmVFZtVkVV?= =?utf-8?B?Y0JYY0k2cDdIY0wxRTlsQnVpV3I5Zit3dGxBUzdUZWVxck1aU0JSRE80NDJm?= =?utf-8?B?S3RyTGJpYTlsRm5OTnhHSEYxNTZRRnhMbEFucHVTb3pqWWdpM1MwL2N4T0Ux?= =?utf-8?B?Vjk2ZkVEMVMyZC9YZENJK0h5c2VXQm1lWTE1d1QwWXFCV01GVnp5Zi9mUHZV?= =?utf-8?B?UFlhbjIzVy9VRldHZUZMRVg1ZDdXc3FSYTczMmZzdEJDcnczQWQwS2o4NS92?= =?utf-8?B?dXlzZU5SUGxoejM5TXpFYkdXWUUxR2dPOGp6Qmpyc0ZONmhmR2dLcDVpeGRT?= =?utf-8?B?bWpxUENFUWlQd2pXNjVDNi9yVUJJT0EveHp0R1lhRkY2bWpya1doamR2MFlF?= =?utf-8?B?b29PMFlZTkJZSXNxSjN5cXZ2SFJmNlJldzlucjFsbm13YjExaHFEdXBaY3R0?= =?utf-8?B?K0NpZXZFMTlyZnovSXBKdGtyckF3ZlhSd1NUOFpub3FyTGQvU3BTcmgvS01k?= =?utf-8?B?QTNNa3QvVXZZZ3dyRERMdE5WeFlmVDRpZUJyQW9HYTRseWdNOVdKMU9Sbndz?= =?utf-8?B?L3grMDN5S2w1QnZienk5alk2eTBPUnNyR21WajFsbGcyWnluNXg0NmZqa055?= =?utf-8?B?SCthemc4RkYzSktEcUJOU2ZHNVA3OEV0WVhESjY1a1JOVi9tV3lJMlNkZFZD?= =?utf-8?B?b1pIM3VBZHAydjFsQXYzYzJIc1BxVkVNM3Q3b013aFcxb1AzcUFDUmZZNUs0?= =?utf-8?B?ZGg4cDNzZHRhenN4eWJYbFZBbWpDUXZnSThxQUJoclNnYXFnYjNSWlRsMXZa?= =?utf-8?B?dkd1ZTYwQ2g5QjY3OUtFUmIxRnhsYytKMElaMGMvYzJiNTV2MDdBWHZGUVVD?= =?utf-8?B?K1pFazJtamJrRUdEUi9BLzZ5cFNDQUtqOU94eFlNK0srbHI2MWczdUtBY0dT?= =?utf-8?B?SS84SzNFMldvUjNvL0lYbGV2UEtmMmkwelZyOGYrZnhYQ0ZlZDdubkcySjFq?= =?utf-8?B?TFM3T1UwOUFuRnZPTnc5eFcrY3Q4b21FZkRVMnNXcGl0T1ZFRzczRFdSZFFM?= =?utf-8?B?L250RnhOMVJ6M3E5NTlwYUxRbmpyWWovSTB3UUc0TkJ1TWFGYWg2NDAwZVlK?= =?utf-8?Q?zhF6PJpNngwTPSTV1Cn+DjM736z3ZK/S?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(376014)(7416014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Dec 2024 03:25:45.1772 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7231f82c-1bd7-4b09-8a0a-08dd15a5abda X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000A6734.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8416 Holding the mutex is not necessary while scanning the string passed into platform_profile_store(). Tested-by: Mark Pearson Reviewed-by: Ilpo J=C3=A4rvinen Reviewed-by: Armin Wolf Reviewed-by: Mark Pearson Signed-off-by: Mario Limonciello --- drivers/acpi/platform_profile.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profil= e.c index 4f5623fc27c09..45ffd85a71dd5 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -83,6 +83,11 @@ static ssize_t platform_profile_store(struct device *dev, { int err, i; =20 + /* Scan for a matching profile */ + i =3D sysfs_match_string(profile_names, buf); + if (i < 0) + return -EINVAL; + err =3D mutex_lock_interruptible(&profile_lock); if (err) return err; @@ -92,13 +97,6 @@ static ssize_t platform_profile_store(struct device *dev, return -ENODEV; } =20 - /* Scan for a matching profile */ - i =3D sysfs_match_string(profile_names, buf); - if (i < 0) { - mutex_unlock(&profile_lock); - return -EINVAL; - } - /* Check that platform supports this profile choice */ if (!test_bit(i, cur_profile->choices)) { mutex_unlock(&profile_lock); --=20 2.43.0