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Wysocki" , Mika Westerberg , Bjorn Helgaas CC: , , "Andy Shevchenko" , , Kuppuswamy Sathyanarayanan , "Iain Lane" , Shyam-sundar S-k , Mario Limonciello Subject: [PATCH v10 3/7] ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table Date: Fri, 4 Aug 2023 16:01:25 -0500 Message-ID: <20230804210129.5356-4-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804210129.5356-1-mario.limonciello@amd.com> References: <20230804210129.5356-1-mario.limonciello@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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: CY4PEPF0000EE32:EE_|DM4PR12MB5038:EE_ X-MS-Office365-Filtering-Correlation-Id: e621c67a-83d3-44e3-f4cf-08db952e0355 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(396003)(136003)(346002)(376002)(451199021)(186006)(82310400008)(1800799003)(46966006)(36840700001)(40470700004)(7696005)(6666004)(40460700003)(86362001)(36860700001)(26005)(1076003)(40480700001)(426003)(16526019)(336012)(36756003)(2616005)(83380400001)(47076005)(81166007)(356005)(5660300002)(41300700001)(8936002)(8676002)(4326008)(2906002)(70586007)(70206006)(316002)(82740400003)(478600001)(44832011)(54906003)(110136005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2023 21:01:45.8962 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e621c67a-83d3-44e3-f4cf-08db952e0355 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: CY4PEPF0000EE32.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5038 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773340236328589650 X-GMAIL-MSGID: 1773340236328589650 The constraints table should be resetting the `list` object after running through all of `info_obj` iterations. This adjusts whitespace as well as less code will now be included with each loop. Signed-off-by: Mario Limonciello --- v9->v10: * split from other patches --- drivers/acpi/x86/s2idle.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index ce62e61a9605e..b566b3aa09388 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -129,12 +129,12 @@ static void lpi_device_get_constraints_amd(void) struct lpi_constraints *list; acpi_status status; + list = &lpi_constraints_table[lpi_constraints_table_size]; + list->min_dstate = -EINVAL; + for (k = 0; k < info_obj->package.count; ++k) { union acpi_object *obj = &info_obj->package.elements[k]; - list = &lpi_constraints_table[lpi_constraints_table_size]; - list->min_dstate = -1; - switch (k) { case 0: dev_info.enabled = obj->integer.value; @@ -149,26 +149,25 @@ static void lpi_device_get_constraints_amd(void) dev_info.min_dstate = obj->integer.value; break; } + } - if (!dev_info.enabled || !dev_info.name || - !dev_info.min_dstate) - continue; + if (!dev_info.enabled || !dev_info.name || + !dev_info.min_dstate) + continue; - status = acpi_get_handle(NULL, dev_info.name, - &list->handle); - if (ACPI_FAILURE(status)) - continue; + status = acpi_get_handle(NULL, dev_info.name, &list->handle); + if (ACPI_FAILURE(status)) + continue; - acpi_handle_debug(lps0_device_handle, - "Name:%s\n", dev_info.name); + acpi_handle_debug(lps0_device_handle, + "Name:%s\n", dev_info.name); - list->min_dstate = dev_info.min_dstate; + list->min_dstate = dev_info.min_dstate; - if (list->min_dstate < 0) { - acpi_handle_debug(lps0_device_handle, - "Incomplete constraint defined\n"); - continue; - } + if (list->min_dstate < 0) { + acpi_handle_debug(lps0_device_handle, + "Incomplete constraint defined\n"); + continue; } lpi_constraints_table_size++; }