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Wysocki" , Viresh Kumar , , CC: Perry Yuan , K Prateek Nayak Subject: [PATCH 2/6] cpufreq/amd-pstate: Return -ENOMEM on failure to allocate profile_name Date: Fri, 8 May 2026 05:17:44 +0000 Message-ID: <20260508051748.10484-3-kprateek.nayak@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260508051748.10484-1-kprateek.nayak@amd.com> References: <20260508051748.10484-1-kprateek.nayak@amd.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF00000009:EE_|LV2PR12MB5941:EE_ X-MS-Office365-Filtering-Correlation-Id: 42bd3ba0-3981-4770-026e-08deacc14395 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|36860700016|82310400026|56012099003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(36860700016)(82310400026)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: PXq8bzl7cWPpcrqP9eaxkcFG36IdcOqhzYVSezWv5vfm/NjZOnDtoZezVZixbuigQoPbdo2ho6kisY4+MxkhY7v6jSQunvlRoUBGZSaPict1WCzgUGUPfyZeOCe3zSAnYxbKQI5MxqQQYHlakPjmxkBpV8UN/URGEooK9c31JVYNHKynIM8PoK8fAPvS98WC8VtM1qt112v6X6BkmlYrsU/j2sfHPAG+oOKrjcWILuzWum/4cob1VuVvMpx47l7Ji8VKaZbJ33lQCxsJzEY+3pgyaIb72tVnEsS6CfwYt72HBMNaS3CCtCuPX2GAI9UbTIvLQyNIuB013wMuQdhPZOI1BjrXmsS/LDglrNp83apPA5c1yjd2AdndHMZEzWfwyijhhd348mIt1Wmve80PIF21boEcidQBaZ0TpMwqNdkTQ7MWknaR646j9eKoaA2O X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2026 05:18:39.5398 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 42bd3ba0-3981-4770-026e-08deacc14395 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000009.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5941 Failure to allocate profile name will return -EINVAL from platform_profile_register() while in fact, it is a failure to allocate memory for the profile_name string. Return -ENOMEM when kasprintf() fails to allocate profile_name string. Fixes: e30ca6dd5345 ("cpufreq/amd-pstate: Add dynamic energy performance preference") Reviewed-by: Mario Limonciello Signed-off-by: K Prateek Nayak --- drivers/cpufreq/amd-pstate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 5e2d28c73294d..72514be2f30fb 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1291,6 +1291,8 @@ static int amd_pstate_set_dynamic_epp(struct cpufreq_policy *policy) return ret; cpudata->profile_name = kasprintf(GFP_KERNEL, "amd-pstate-epp-cpu%d", cpudata->cpu); + if (!cpudata->profile_name) + return -ENOMEM; cpudata->ppdev = platform_profile_register(get_cpu_device(policy->cpu), cpudata->profile_name, -- 2.34.1