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Message-ID: <202111292341.pt8nIc7T-lkp@intel.com>
Date: Tue, 30 Nov 2021 11:05:50 +0300
From: Dan Carpenter <dan.carpenter@...cle.com>
To: kbuild@...ts.01.org, Hans de Goede <hdegoede@...hat.com>
Cc: lkp@...el.com, kbuild-all@...ts.01.org,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Hans de Goede <hdegoede@...hat.com>,
linux-kernel@...r.kernel.org
Subject: [pdx86-platform-drivers-x86:for-next 31/36]
drivers/platform/x86/thinkpad_acpi.c:11154 thinkpad_acpi_module_exit()
error: don't call input_free_device() after input_unregister_device()
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git for-next
head: e9ff190973df2c417c2a97a8b70e709e0bdc2716
commit: 67e7d50d13e94abeaf82e9945dce929352771b94 [31/36] platform/x86: thinkpad_acpi: Move input_unregister_device() to the top of thinkpad_acpi_module_exit()
config: i386-randconfig-m021-20211129 (https://download.01.org/0day-ci/archive/20211129/202111292341.pt8nIc7T-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
New smatch warnings:
drivers/platform/x86/thinkpad_acpi.c:11154 thinkpad_acpi_module_exit() error: don't call input_free_device() after input_unregister_device()
vim +11154 drivers/platform/x86/thinkpad_acpi.c
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11130 static void thinkpad_acpi_module_exit(void)
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11131 {
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11132 struct ibm_struct *ibm, *itmp;
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11133
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11134 tpacpi_lifecycle = TPACPI_LIFE_EXITING;
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11135
67e7d50d13e94ab drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11136 if (tp_features.input_device_registered)
67e7d50d13e94ab drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11137 input_unregister_device(tpacpi_inputdev);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
526ac103dbc6729 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11138 if (tpacpi_hwmon)
526ac103dbc6729 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11139 hwmon_device_unregister(tpacpi_hwmon);
2f5ad08f3eec8d4 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11140 if (tp_features.sensors_pdrv_registered)
2f5ad08f3eec8d4 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11141 platform_driver_unregister(&tpacpi_hwmon_pdriver);
2f5ad08f3eec8d4 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11142 if (tp_features.platform_drv_registered)
2f5ad08f3eec8d4 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11143 platform_driver_unregister(&tpacpi_pdriver);
2f5ad08f3eec8d4 drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11144
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11145 list_for_each_entry_safe_reverse(ibm, itmp,
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11146 &tpacpi_all_drivers,
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11147 all_drivers) {
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11148 ibm_exit(ibm);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11149 }
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11150
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11151 dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n");
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11152
67e7d50d13e94ab drivers/platform/x86/thinkpad_acpi.c Hans de Goede 2021-11-23 11153 if (tpacpi_inputdev)
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 @11154 input_free_device(tpacpi_inputdev);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I haven't seen this warning in a long time, so I forget why it exists.
But apparently it's against the rules. :P
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11155 if (tpacpi_sensors_pdev)
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11156 platform_device_unregister(tpacpi_sensors_pdev);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11157 if (tpacpi_pdev)
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11158 platform_device_unregister(tpacpi_pdev);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11159 if (proc_dir)
e0c7dfe70170cce drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11160 remove_proc_entry(TPACPI_PROC_DIR, acpi_root_dir);
e0e3c0615abdb1c drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-04-26 11161 if (tpacpi_wq)
e0e3c0615abdb1c drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-04-26 11162 destroy_workqueue(tpacpi_wq);
e0e3c0615abdb1c drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-04-26 11163
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11164 kfree(thinkpad_id.bios_version_str);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11165 kfree(thinkpad_id.ec_version_str);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11166 kfree(thinkpad_id.model_str);
d2be15bdda45b18 drivers/platform/x86/thinkpad_acpi.c Li Dongyang 2012-07-25 11167 kfree(thinkpad_id.nummodel_str);
b21a15f6d065e83 drivers/misc/thinkpad_acpi.c Henrique de Moraes Holschuh 2008-01-08 11168 }
---
0-DAY CI Kernel Test Service, Intel Corporation
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