tpacpi_hotkey_task 1988 drivers/platform/x86/thinkpad_acpi.c static struct task_struct *tpacpi_hotkey_task; tpacpi_hotkey_task 2663 drivers/platform/x86/thinkpad_acpi.c if (tpacpi_hotkey_task) { tpacpi_hotkey_task 2664 drivers/platform/x86/thinkpad_acpi.c kthread_stop(tpacpi_hotkey_task); tpacpi_hotkey_task 2665 drivers/platform/x86/thinkpad_acpi.c tpacpi_hotkey_task = NULL; tpacpi_hotkey_task 2678 drivers/platform/x86/thinkpad_acpi.c if (!tpacpi_hotkey_task) { tpacpi_hotkey_task 2679 drivers/platform/x86/thinkpad_acpi.c tpacpi_hotkey_task = kthread_run(hotkey_kthread, tpacpi_hotkey_task 2681 drivers/platform/x86/thinkpad_acpi.c if (IS_ERR(tpacpi_hotkey_task)) { tpacpi_hotkey_task 2682 drivers/platform/x86/thinkpad_acpi.c tpacpi_hotkey_task = NULL;