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Wysocki" , Daniel Lezcano , Thierry Reding CC: , , Jon Hunter Subject: [PATCH] thermal/drivers/tegra: Fix crash when getting critical temp Date: Mon, 10 Oct 2022 16:03:11 +0100 Message-ID: <20221010150311.40384-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-NVConfidentiality: public X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT045:EE_|CH3PR12MB7521:EE_ X-MS-Office365-Filtering-Correlation-Id: d552a42e-7f11-4d9c-ba95-08daaad0987a 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:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230022)(4636009)(376002)(39860400002)(346002)(396003)(136003)(451199015)(40470700004)(36840700001)(46966006)(36860700001)(82740400003)(86362001)(40460700003)(36756003)(7636003)(356005)(40480700001)(316002)(110136005)(54906003)(478600001)(8936002)(5660300002)(8676002)(4326008)(70586007)(70206006)(2906002)(41300700001)(82310400005)(83380400001)(47076005)(426003)(336012)(107886003)(6666004)(7696005)(2616005)(186003)(26005)(1076003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2022 15:03:31.2414 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d552a42e-7f11-4d9c-ba95-08daaad0987a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT045.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7521 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Commit 13bea86623be ("thermal/of: Remove of_thermal_get_crit_temp()") removed the function of_thermal_get_crit_temp() and this is causing a NULL pointer deference crash when attempting to call the 'get_crit_temp' function pointer because this function pointer is no longer initialised. Fix this by replacing the call to the 'get_crit_temp' function pointer with a call to the function thermal_zone_get_crit_temp() instead. Fixes: 13bea86623be ("thermal/of: Remove of_thermal_get_crit_temp()") Signed-off-by: Jon Hunter --- drivers/thermal/tegra/soctherm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c index d2e454902689..4203e74e2f79 100644 --- a/drivers/thermal/tegra/soctherm.c +++ b/drivers/thermal/tegra/soctherm.c @@ -742,7 +742,7 @@ static int tegra_soctherm_set_hwtrips(struct device *dev, /* Get thermtrips. If missing, try to get critical trips. */ temperature = tsensor_group_thermtrip_get(ts, sg->id); if (min_low_temp == temperature) - if (tz->ops->get_crit_temp(tz, &temperature)) + if (thermal_zone_get_crit_temp(tz, &temperature)) temperature = max_high_temp; ret = thermtrip_program(dev, sg, temperature);