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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF0002636C.mail.protection.outlook.com (10.167.241.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8114.16 via Frontend Transport; Sat, 9 Nov 2024 04:42:27 +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; Fri, 8 Nov 2024 22:42:25 -0600 From: Mario Limonciello To: Hans de Goede , =?utf-8?q?Ilpo_J=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_Kleine-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 v6 06/22] ACPI: platform_profile: Move sanity check out of the mutex Date: Fri, 8 Nov 2024 22:41:35 -0600 Message-ID: <20241109044151.29804-7-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241109044151.29804-1-mario.limonciello@amd.com> References: <20241109044151.29804-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002636C:EE_|BY1PR12MB8446:EE_ X-MS-Office365-Filtering-Correlation-Id: 9365be0c-e2fa-4cb1-428b-08dd0078e9df X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|36860700013|1800799024|376014|7416014|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?q?XZiodMQT3hHWt57izsmyW5It6YPp+6J?= =?utf-8?q?JzIs1o+usbOAQRHi3MQld41Ia6bVBxLUPXsfA+UCvPF4akv+gxeElcPIhqTtXHIRm?= =?utf-8?q?F6YQgyWX0zXI7kJoASXyVzyyouYeX4oTG+uouYh9M7p5BUrLGv+cE2RjYkZu4spsE?= =?utf-8?q?vbPCUsWxT+YvRlmIDU7R927sos00u202eXCroaP4AneR1cq7STt++sYH74+kE0Qz8?= =?utf-8?q?CWfrRFqY59cRw/P8Jck45BaRmKnhczBrC8xDENW1e6E3LIG7wDillL5IprY+7Be3Y?= =?utf-8?q?tA/w5WV+7wZWX/3AVXKQrzSH7GGWk5XeYsBi0cTP+WLSod8jXU8dew41eYQ0SGS0z?= =?utf-8?q?0YPFJxv12VbExsyJmPMVa8Q2NRVB89Yb4lZvPR9QznpkcBl8IKelC8NSwIHLP54IO?= =?utf-8?q?PaB3GrTSz7oO3VVJtuTDQ/Ew7mCJw1z+u2/vLzKH5D/uy/CVlqfyrmFeMaZ8bMvT5?= =?utf-8?q?IcsT6yTtsNSaRQRrmu3hY+jmC8e5lO4zMfsexGfFpaLq8p0E3+YJade75S+QWusaF?= =?utf-8?q?zKYAmT56a8c6PiNpGHqK3ucTsHO6aUwCdMDKPStnI0C4n1hiyi2ddiLC9OTNZWZ27?= =?utf-8?q?HNSj8PKyrT0gt/CtoSWG1hvQue95b/YoNSrJNJalrci9hApnbVtQ962e/QXMR4o42?= =?utf-8?q?ea3LB7bcrPn3fhcoMRr884JcxHtf5nWBENvB2rPMSV0npRJJSR07QO2o+c1s/WyPQ?= =?utf-8?q?FPUfv+cJmyThnDQ1teI+bJgCKOwnYgVVWhJWcMs0iFZxBrplHdZ4PzlZ2YD0MMIWa?= =?utf-8?q?6HfiyQGvrp3YyUgPk034HRNEa8hChKS45xfP+lXa39FT+YtTOFIiZlLe1d8znbNyb?= =?utf-8?q?a0VJZyw97s7t8tjV7idCbRbcDxdPRaxVhqXYHV4123eCY0093T6l3H6BOlFfNu1Xd?= =?utf-8?q?zK9Zj/kxoKtEFCxfmsBnA5yR4OMFuOmoqtIvMmyShHbiym4VYtZjItI4BDl4fQ1dc?= =?utf-8?q?uSvtL8RQZ7vNgiY7JSgxHsFsw0eiFTtvwIzVTwHEWb97ugInxDg60qjYtgOzjz26b?= =?utf-8?q?loi+XmRF9mFMzR43AOwmQk5SQo5HgJJlgJdPDVTD9YRKz7AiBXJesIPBTsxYxwYc8?= =?utf-8?q?B120t1WffNTBo+B0uK8q78TbrMtU8R1je8xBTcYolobWbrskfcX1vKfRkMdir2qF8?= =?utf-8?q?7nmGPtzqIcSAA5If4j/sGhs5Ez+cAv9+Iw78CP37J7T5TTPSKsnR1OcMQ3BRLZp5u?= =?utf-8?q?bmUrPpJJPU38yT4yH3NFxziHJ0aAYKjSAwVixtpy3zJ3JIfnT9vjgepgDr86//NcB?= =?utf-8?q?D7x3Xm1ZH0x3qo/bNThNPkEvu9sLUgEF5YqvItsbOjf0jQmQ1XpX4ECtB1r/u+T2k?= =?utf-8?q?OhiY2Mv0EfkeUnKwdNz5so14zOYPSrzjHA=3D=3D?= 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)(1800799024)(376014)(7416014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Nov 2024 04:42:27.5495 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9365be0c-e2fa-4cb1-428b-08dd0078e9df 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: SN1PEPF0002636C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY1PR12MB8446 The sanity check that the platform handler had choices set doesn't need the mutex taken. Move it to earlier in the registration. Tested-by: Mark Pearson Tested-by: Matthew Schwartz Reviewed-by: Ilpo Järvinen Reviewed-by: Mark Pearson Reviewed-by: Armin Wolf Signed-off-by: Mario Limonciello --- v5: * Add tag --- drivers/acpi/platform_profile.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 927a2f7456c9a..4f5623fc27c09 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -179,6 +179,13 @@ int platform_profile_register(struct platform_profile_handler *pprof) { int err; + /* Sanity check the profile handler */ + if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) || + !pprof->profile_set || !pprof->profile_get) { + pr_err("platform_profile: handler is invalid\n"); + return -EINVAL; + } + mutex_lock(&profile_lock); /* We can only have one active profile */ if (cur_profile) { @@ -186,13 +193,6 @@ int platform_profile_register(struct platform_profile_handler *pprof) return -EEXIST; } - /* Sanity check the profile handler field are set */ - if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) || - !pprof->profile_set || !pprof->profile_get) { - mutex_unlock(&profile_lock); - return -EINVAL; - } - err = sysfs_create_group(acpi_kobj, &platform_profile_group); if (err) { mutex_unlock(&profile_lock);