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path: root/drivers/misc/thinkpad_acpi.c
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Diffstat (limited to 'drivers/misc/thinkpad_acpi.c')
-rw-r--r--drivers/misc/thinkpad_acpi.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index fa80f355e522..f6cd34a3dbac 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -4668,12 +4668,15 @@ static int __init thinkpad_acpi_module_init(void)
thinkpad_acpi_module_exit();
return ret;
}
+ tp_features.platform_drv_registered = 1;
+
ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
if (ret) {
printk(IBM_ERR "unable to create sysfs driver attributes\n");
thinkpad_acpi_module_exit();
return ret;
}
+ tp_features.platform_drv_attrs_registered = 1;
/* Device initialization */
@@ -4756,8 +4759,11 @@ static void thinkpad_acpi_module_exit(void)
if (tpacpi_pdev)
platform_device_unregister(tpacpi_pdev);
- tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
- platform_driver_unregister(&tpacpi_pdriver);
+ if (tp_features.platform_drv_attrs_registered)
+ tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
+
+ if (tp_features.platform_drv_registered)
+ platform_driver_unregister(&tpacpi_pdriver);
if (proc_dir)
remove_proc_entry(IBM_PROC_DIR, acpi_root_dir);