diff options
Diffstat (limited to 'drivers/acpi')
40 files changed, 248 insertions, 217 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 82289f1..56c5ba8 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -107,7 +107,6 @@ config ACPI_BUTTON config ACPI_VIDEO tristate "Video" depends on X86 - default y help This driver implement the ACPI Extensions For Display Adapters for integrated graphics devices on motherboard, as specified in @@ -357,7 +356,6 @@ config ACPI_SBS tristate "Smart Battery System (EXPERIMENTAL)" depends on X86 && I2C depends on EXPERIMENTAL - default y help This driver adds support for the Smart Battery System. Depends on I2C (Device Drivers ---> I2C support) diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 24ccf81..96309b9 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -72,7 +72,7 @@ struct acpi_ac { unsigned long state; }; -static struct file_operations acpi_ac_fops = { +static const struct file_operations acpi_ac_fops = { .open = acpi_ac_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 24bf4dc..6e52217 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -557,7 +557,7 @@ static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); } -static struct file_operations acpi_battery_info_ops = { +static const struct file_operations acpi_battery_info_ops = { .open = acpi_battery_info_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -565,7 +565,7 @@ static struct file_operations acpi_battery_info_ops = { .owner = THIS_MODULE, }; -static struct file_operations acpi_battery_state_ops = { +static const struct file_operations acpi_battery_state_ops = { .open = acpi_battery_state_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -573,7 +573,7 @@ static struct file_operations acpi_battery_state_ops = { .owner = THIS_MODULE, }; -static struct file_operations acpi_battery_alarm_ops = { +static const struct file_operations acpi_battery_alarm_ops = { .open = acpi_battery_alarm_open_fs, .read = seq_read, .write = acpi_battery_write_alarm, diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index ea5a049..b297769 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -192,8 +192,8 @@ int acpi_bus_set_power(acpi_handle handle, int state) /* Make sure this is a valid target state */ if (!device->flags.power_manageable) { - printk(KERN_DEBUG "Device `[%s]' is not power manageable", - device->kobj.name); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable", + device->kobj.name)); return -ENODEV; } /* diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index fd1ba05..5ef885e 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -87,14 +87,14 @@ struct acpi_button { unsigned long pushed; }; -static struct file_operations acpi_button_info_fops = { +static const struct file_operations acpi_button_info_fops = { .open = acpi_button_info_open_fs, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; -static struct file_operations acpi_button_state_fops = { +static const struct file_operations acpi_button_state_fops = { .open = acpi_button_state_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 574a75a..a01ce67 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -39,50 +39,43 @@ ACPI_MODULE_NAME("cm_sbs") static struct proc_dir_entry *acpi_ac_dir; static struct proc_dir_entry *acpi_battery_dir; -static struct semaphore cm_sbs_sem; +static DEFINE_MUTEX(cm_sbs_mutex); -static int lock_ac_dir_cnt = 0; -static int lock_battery_dir_cnt = 0; +static int lock_ac_dir_cnt; +static int lock_battery_dir_cnt; struct proc_dir_entry *acpi_lock_ac_dir(void) { - - down(&cm_sbs_sem); - if (!acpi_ac_dir) { + mutex_lock(&cm_sbs_mutex); + if (!acpi_ac_dir) acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir); - } if (acpi_ac_dir) { lock_ac_dir_cnt++; } else { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Cannot create %s\n", ACPI_AC_CLASS)); } - up(&cm_sbs_sem); + mutex_unlock(&cm_sbs_mutex); return acpi_ac_dir; } - EXPORT_SYMBOL(acpi_lock_ac_dir); void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param) { - - down(&cm_sbs_sem); - if (acpi_ac_dir_param) { + mutex_lock(&cm_sbs_mutex); + if (acpi_ac_dir_param) lock_ac_dir_cnt--; - } if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) { remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir); acpi_ac_dir = 0; } - up(&cm_sbs_sem); + mutex_unlock(&cm_sbs_mutex); } - EXPORT_SYMBOL(acpi_unlock_ac_dir); struct proc_dir_entry *acpi_lock_battery_dir(void) { - - down(&cm_sbs_sem); + mutex_lock(&cm_sbs_mutex); if (!acpi_battery_dir) { acpi_battery_dir = proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir); @@ -93,39 +86,28 @@ struct proc_dir_entry *acpi_lock_battery_dir(void) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Cannot create %s\n", ACPI_BATTERY_CLASS)); } - up(&cm_sbs_sem); + mutex_unlock(&cm_sbs_mutex); return acpi_battery_dir; } - EXPORT_SYMBOL(acpi_lock_battery_dir); void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param) { - - down(&cm_sbs_sem); - if (acpi_battery_dir_param) { + mutex_lock(&cm_sbs_mutex); + if (acpi_battery_dir_param) lock_battery_dir_cnt--; - } if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param && acpi_battery_dir) { remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir); acpi_battery_dir = 0; } - up(&cm_sbs_sem); + mutex_unlock(&cm_sbs_mutex); return; } - EXPORT_SYMBOL(acpi_unlock_battery_dir); static int __init acpi_cm_sbs_init(void) { - - if (acpi_disabled) - return 0; - - init_MUTEX(&cm_sbs_sem); - return 0; } - subsys_initcall(acpi_cm_sbs_init); diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index daf51b5..1888c05 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -116,16 +116,6 @@ acpi_ds_init_one_object(acpi_handle obj_handle, case ACPI_TYPE_METHOD: - /* - * Set the execution data width (32 or 64) based upon the - * revision number of the parent ACPI table. - * TBD: This is really for possible future support of integer width - * on a per-table basis. Currently, we just use a global for the width. - */ - if (info->table_desc->pointer->revision == 1) { - node->flags |= ANOBJ_DATA_WIDTH_32; - } - info->method_count++; break; diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index a39a33f..cf888ad 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -134,7 +134,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc) union acpi_operand_object *mutex_desc; acpi_status status; - ACPI_FUNCTION_NAME(ds_create_method_mutex); + ACPI_FUNCTION_TRACE(ds_create_method_mutex); /* Create the new mutex object */ @@ -493,7 +493,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n", - (char *)&walk_state->method_node->name, + acpi_ut_get_node_name(walk_state->method_node), walk_state->method_call_op, return_desc)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, @@ -610,6 +610,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, acpi_os_release_mutex(method_desc->method.mutex->mutex. os_mutex); + method_desc->method.mutex->mutex.owner_thread = NULL; } } @@ -620,27 +621,11 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, */ method_node = walk_state->method_node; - /* Lock namespace for possible update */ - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return_VOID; - } - - /* - * Delete any namespace entries created immediately underneath - * the method - */ - if (method_node && method_node->child) { - acpi_ns_delete_namespace_subtree(method_node); - } - /* - * Delete any namespace entries created anywhere else within + * Delete any namespace objects created anywhere within * the namespace by the execution of this method */ acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id); - status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); } /* Decrement the thread count on the method */ diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index b1ded62..d7a616c 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -313,10 +313,10 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, case AML_CLASS_EXECUTE: case AML_CLASS_CREATE: /* - * Most operators with arguments. + * Most operators with arguments (except create_xxx_field operators) * Start a new result/operand state */ - if (walk_state->opcode != AML_CREATE_FIELD_OP) { + if (walk_state->op_info->object_type != ACPI_TYPE_BUFFER_FIELD) { status = acpi_ds_result_stack_push(walk_state); } break; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 8c5d7df..e5d7963 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -929,7 +929,7 @@ static int acpi_ec_info_open_fs(struct inode *inode, struct file *file) return single_open(file, acpi_ec_read_info, PDE(inode)->data); } -static struct file_operations acpi_ec_info_ops = { +static const struct file_operations acpi_ec_info_ops = { .open = acpi_ec_info_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index a901b23..959a893 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -99,7 +99,7 @@ static unsigned int acpi_system_poll_event(struct file *file, poll_table * wait) return 0; } -static struct file_operations acpi_system_event_ops = { +static const struct file_operations acpi_system_event_ops = { .open = acpi_system_open_event, .read = acpi_system_read_event, .release = acpi_system_close_event, diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index 094a17e..21caae0 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -528,34 +528,40 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj, } } - /* Call the setup handler with the deactivate notification */ + /* + * If the region has been activated, call the setup handler + * with the deactivate notification + */ + if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) { + region_setup = handler_obj->address_space.setup; + status = + region_setup(region_obj, + ACPI_REGION_DEACTIVATE, + handler_obj->address_space. + context, region_context); - region_setup = handler_obj->address_space.setup; - status = - region_setup(region_obj, ACPI_REGION_DEACTIVATE, - handler_obj->address_space.context, - region_context); + /* Init routine may fail, Just ignore errors */ - /* Init routine may fail, Just ignore errors */ + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "from region handler - deactivate, [%s]", + acpi_ut_get_region_name + (region_obj->region. + space_id))); + } - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "from region init, [%s]", - acpi_ut_get_region_name - (region_obj->region.space_id))); + region_obj->region.flags &= + ~(AOPOBJ_SETUP_COMPLETE); } - region_obj->region.flags &= ~(AOPOBJ_SETUP_COMPLETE); - /* * Remove handler reference in the region * - * NOTE: this doesn't mean that the region goes away - * The region is just inaccessible as indicated to - * the _REG method + * NOTE: this doesn't mean that the region goes away, the region + * is just inaccessible as indicated to the _REG method * - * If the region is on the handler's list - * this better be the region's handler + * If the region is on the handler's list, this must be the + * region's handler */ region_obj->region.handler = NULL; acpi_ut_remove_reference(handler_obj); diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c index 4f948df..923fd2b 100644 --- a/drivers/acpi/events/evxface.c +++ b/drivers/acpi/events/evxface.c @@ -428,7 +428,7 @@ acpi_remove_notify_handler(acpi_handle device, node = acpi_ns_map_handle_to_node(device); if (!node) { status = AE_BAD_PARAMETER; - goto unlock; + goto unlock_and_exit; } /* Root Object */ @@ -442,7 +442,7 @@ acpi_remove_notify_handler(acpi_handle device, ((handler_type & ACPI_DEVICE_NOTIFY) && !acpi_gbl_device_notify.handler)) { status = AE_NOT_EXIST; - goto unlock; + goto unlock_and_exit; } /* Make sure all deferred tasks are completed */ @@ -474,7 +474,7 @@ acpi_remove_notify_handler(acpi_handle device, if (!acpi_ev_is_notify_object(node)) { status = AE_TYPE; - goto unlock; + goto unlock_and_exit; } /* Check for an existing internal object */ @@ -482,17 +482,21 @@ acpi_remove_notify_handler(acpi_handle device, obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { status = AE_NOT_EXIST; - goto unlock; + goto unlock_and_exit; } /* Object exists - make sure there's an existing handler */ if (handler_type & ACPI_SYSTEM_NOTIFY) { notify_obj = obj_desc->common_notify.system_notify; - if ((!notify_obj) || - (notify_obj->notify.handler != handler)) { + if (!notify_obj) { + status = AE_NOT_EXIST; + goto unlock_and_exit; + } + + if (notify_obj->notify.handler != handler) { status = AE_BAD_PARAMETER; - goto unlock; + goto unlock_and_exit; } /* Make sure all deferred tasks are completed */ @@ -510,10 +514,14 @@ acpi_remove_notify_handler(acpi_handle device, if (handler_type & ACPI_DEVICE_NOTIFY) { notify_obj = obj_desc->common_notify.device_notify; - if ((!notify_obj) || - (notify_obj->notify.handler != handler)) { + if (!notify_obj) { + status = AE_NOT_EXIST; + goto unlock_and_exit; + } + + if (notify_obj->notify.handler != handler) { status = AE_BAD_PARAMETER; - goto unlock; + goto unlock_and_exit; } /* Make sure all deferred tasks are completed */ @@ -530,9 +538,9 @@ acpi_remove_notify_handler(acpi_handle device, } } -unlock: + unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); -exit: + exit: if (ACPI_FAILURE(status)) ACPI_EXCEPTION((AE_INFO, status, "Removing notify handler")); return_ACPI_STATUS(status); @@ -586,7 +594,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; - goto unlock; + goto unlock_and_exit; } /* Make sure that there isn't a handler there already */ @@ -594,7 +602,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { status = AE_ALREADY_EXISTS; - goto unlock; + goto unlock_and_exit; } /* Allocate and init handler object */ @@ -602,7 +610,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info)); if (!handler) { status = AE_NO_MEMORY; - goto unlock; + goto unlock_and_exit; } handler->address = address; @@ -613,7 +621,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, status = acpi_ev_disable_gpe(gpe_event_info); if (ACPI_FAILURE(status)) { - goto unlock; + goto unlock_and_exit; } /* Install the handler */ @@ -628,9 +636,9 @@ acpi_install_gpe_handler(acpi_handle gpe_device, acpi_os_release_lock(acpi_gbl_gpe_lock, flags); -unlock: + unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); -exit: + exit: if (ACPI_FAILURE(status)) ACPI_EXCEPTION((AE_INFO, status, "Installing notify handler failed")); diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c index e8b86a0..83b12a9 100644 --- a/drivers/acpi/events/evxfregn.c +++ b/drivers/acpi/events/evxfregn.c @@ -155,7 +155,11 @@ acpi_remove_address_space_handler(acpi_handle device, /* Convert and validate the device handle */ node = acpi_ns_map_handle_to_node(device); - if (!node) { + if (!node || + ((node->type != ACPI_TYPE_DEVICE) && + (node->type != ACPI_TYPE_PROCESSOR) && + (node->type != ACPI_TYPE_THERMAL) && + (node != acpi_gbl_root_node))) { status = AE_BAD_PARAMETER; goto unlock_and_exit; } @@ -178,6 +182,13 @@ acpi_remove_address_space_handler(acpi_handle device, if (handler_obj->address_space.space_id == space_id) { + /* Handler must be the same as the installed handler */ + + if (handler_obj->address_space.handler != handler) { + status = AE_BAD_PARAMETER; + goto unlock_and_exit; + } + /* Matched space_id, first dereference this in the Regions */ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index 83fed07..c8341fa 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -502,7 +502,6 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) * (Offset contains the table_id) */ acpi_ns_delete_namespace_by_owner(table_info->owner_id); - acpi_ut_release_owner_id(&table_info->owner_id); /* Delete the table itself */ diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c index b732e39..544e81a 100644 --- a/drivers/acpi/executer/exconvrt.c +++ b/drivers/acpi/executer/exconvrt.c @@ -170,6 +170,9 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_NO_MEMORY); } + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", + ACPI_FORMAT_UINT64(result))); + /* Save the Result */ return_desc->integer.value = result; diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index d8ac287..3a39c2e 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -267,9 +267,9 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) { ACPI_ERROR((AE_INFO, "Thread %X cannot release Mutex [%4.4s] acquired by thread %X", - walk_state->thread->thread_id, + (u32) walk_state->thread->thread_id, acpi_ut_get_node_name(obj_desc->mutex.node), - obj_desc->mutex.owner_thread->thread_id)); + (u32) obj_desc->mutex.owner_thread->thread_id)); return_ACPI_STATUS(AE_AML_NOT_OWNER); } diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c index 6b5d1e6..28aef3e 100644 --- a/drivers/acpi/executer/exsystem.c +++ b/drivers/acpi/executer/exsystem.c @@ -60,7 +60,7 @@ ACPI_MODULE_NAME("exsystem") * * DESCRIPTION: Implements a semaphore wait with a check to see if the * semaphore is available immediately. If it is not, the - * interpreter is released. + * interpreter is released before waiting. * ******************************************************************************/ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) @@ -110,9 +110,9 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) * * RETURN: Status * - * DESCRIPTION: Implements a semaphore wait with a check to see if the - * semaphore is available immediately. If it is not, the - * interpreter is released. + * DESCRIPTION: Implements a mutex wait with a check to see if the + * mutex is available immediately. If it is not, the + * interpreter is released before waiting. * ******************************************************************************/ diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index daed246..045c894 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -120,7 +120,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, return count; } -static struct file_operations acpi_fan_state_ops = { +static const struct file_operations acpi_fan_state_ops = { .open = acpi_fan_state_open_fs, .read = seq_read, .write = acpi_fan_write_state, diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c index fd81a0f..32c9d88 100644 --- a/drivers/acpi/hotkey.c +++ b/drivers/acpi/hotkey.c @@ -184,7 +184,7 @@ static union acpi_hotkey *get_hotkey_by_event(struct *hotkey_list, int event); /* event based config */ -static struct file_operations hotkey_config_fops = { +static const struct file_operations hotkey_config_fops = { .open = hotkey_open_config, .read = seq_read, .write = hotkey_write_config, @@ -193,7 +193,7 @@ static struct file_operations hotkey_config_fops = { }; /* polling based config */ -static struct file_operations hotkey_poll_config_fops = { +static const struct file_operations hotkey_poll_config_fops = { .open = hotkey_poll_open_config, .read = seq_read, .write = hotkey_write_config, @@ -202,7 +202,7 @@ static struct file_operations hotkey_poll_config_fops = { }; /* hotkey driver info */ -static struct file_operations hotkey_info_fops = { +static const struct file_operations hotkey_info_fops = { .open = hotkey_info_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -210,7 +210,7 @@ static struct file_operations hotkey_info_fops = { }; /* action */ -static struct file_operations hotkey_action_fops = { +static const struct file_operations hotkey_action_fops = { .open = hotkey_action_open_fs, .read = seq_read, .write = hotkey_execute_aml_method, @@ -219,7 +219,7 @@ static struct file_operations hotkey_action_fops = { }; /* polling results */ -static struct file_operations hotkey_polling_fops = { +static const struct file_operations hotkey_polling_fops = { .open = hotkey_polling_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index dc3f073..55b407a 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -386,14 +386,17 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) * specific ID. Used to delete entire ACPI tables. All * reference counts are updated. * + * MUTEX: Locks namespace during deletion walk. + * ******************************************************************************/ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) { struct acpi_namespace_node *child_node; struct acpi_namespace_node *deletion_node; - u32 level; struct acpi_namespace_node *parent_node; + u32 level; + acpi_status status; ACPI_FUNCTION_TRACE_U32(ns_delete_namespace_by_owner, owner_id); @@ -401,6 +404,13 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) return_VOID; } + /* Lock namespace for possible update */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_VOID; + } + deletion_node = NULL; parent_node = acpi_gbl_root_node; child_node = NULL; @@ -469,5 +479,6 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) } } + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return_VOID; } diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index eedb05c..47dfde9 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -136,16 +136,6 @@ void acpi_os_vprintf(const char *fmt, va_list args) #endif } - -extern int acpi_in_resume; -void *acpi_os_allocate(acpi_size size) -{ - if (acpi_in_resume) - return kmalloc(size, GFP_ATOMIC); - else - return kmalloc(size, GFP_KERNEL); -} - acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr) { if (efi_enabled) { @@ -1115,26 +1105,6 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) return (AE_OK); } -/******************************************************************************* - * - * FUNCTION: acpi_os_acquire_object - * - * PARAMETERS: Cache - Handle to cache object - * ReturnObject - Where the object is returned - * - * RETURN: Status - * - * DESCRIPTION: Return a zero-filled object. - * - ******************************************************************************/ - -void *acpi_os_acquire_object(acpi_cache_t * cache) -{ - void *object = kmem_cache_zalloc(cache, GFP_KERNEL); - WARN_ON(!object); - return object; -} - /****************************************************************************** * * FUNCTION: acpi_os_validate_interface diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c index 182474a..d405387 100644 --- a/drivers/acpi/parser/psutils.c +++ b/drivers/acpi/parser/psutils.c @@ -139,12 +139,10 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) /* The generic op (default) is by far the most common (16 to 1) */ op = acpi_os_acquire_object(acpi_gbl_ps_node_cache); - memset(op, 0, sizeof(struct acpi_parse_obj_common)); } else { /* Extended parseop */ op = acpi_os_acquire_object(acpi_gbl_ps_node_ext_cache); - memset(op, 0, sizeof(struct acpi_parse_obj_named)); } /* Initialize the Op */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 8197c0e..7f3e7e7 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -780,11 +780,6 @@ static int acpi_pci_link_resume(struct acpi_pci_link *link) return 0; } -/* - * FIXME: this is a workaround to avoid nasty warning. It will be removed - * after every device calls pci_disable_device in .resume. - */ -int acpi_in_resume; static int irqrouter_resume(struct sys_device *dev) { struct list_head *node = NULL; @@ -794,7 +789,6 @@ static int irqrouter_resume(struct sys_device *dev) /* Make sure SCI is enabled again (Apple firmware bug?) */ acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); - acpi_in_resume = 1; list_for_each(node, &acpi_link.entries) { link = list_entry(node, struct acpi_pci_link, node); if (!link) { @@ -803,7 +797,6 @@ static int irqrouter_resume(struct sys_device *dev) } acpi_pci_link_resume(link); } - acpi_in_resume = 0; return 0; } diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 5d3447f..fec225d 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -80,7 +80,7 @@ struct acpi_power_resource { static struct list_head acpi_power_resource_list; -static struct file_operations acpi_power_fops = { +static const struct file_operations acpi_power_fops = { .open = acpi_power_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 5267432..b13d644 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -102,7 +102,7 @@ static struct acpi_driver acpi_processor_driver = { #define INSTALL_NOTIFY_HANDLER 1 #define UNINSTALL_NOTIFY_HANDLER 2 -static struct file_operations acpi_processor_info_fops = { +static const struct file_operations acpi_processor_info_fops = { .open = acpi_processor_info_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 8e9c26a..7106606 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1070,7 +1070,7 @@ static int acpi_processor_power_open_fs(struct inode *inode, struct file *file) PDE(inode)->data); } -static struct file_operations acpi_processor_power_fops = { +static const struct file_operations acpi_processor_power_fops = { .open = acpi_processor_power_open_fs, .read = seq_read, .llseek = seq_lseek, diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 4696a85..3496257 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -434,7 +434,7 @@ acpi_system_wakeup_device_open_fs(struct inode *inode, struct file *file) PDE(inode)->data); } -static struct file_operations acpi_system_wakeup_device_fops = { +static const struct file_operations acpi_system_wakeup_device_fops = { .open = acpi_system_wakeup_device_open_fs, .read = seq_read, .write = acpi_system_write_wakeup_device, @@ -443,7 +443,7 @@ static struct file_operations acpi_system_wakeup_device_fops = { }; #ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP -static struct file_operations acpi_system_sleep_fops = { +static const struct file_operations acpi_system_sleep_fops = { .open = acpi_system_sleep_open_fs, .read = seq_read, .write = acpi_system_write_sleep, @@ -452,7 +452,7 @@ static struct file_operations acpi_system_sleep_fops = { }; #endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */ -static struct file_operations acpi_system_alarm_fops = { +static const struct file_operations acpi_system_alarm_fops = { .open = acpi_system_alarm_open_fs, .read = seq_read, .write = acpi_system_write_alarm, diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index c3bb7faa..d86dcb3 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -57,7 +57,7 @@ static int acpi_system_info_open_fs(struct inode *inode, struct file *file) return single_open(file, acpi_system_read_info, PDE(inode)->data); } -static struct file_operations acpi_system_info_ops = { +static const struct file_operations acpi_system_info_ops = { .open = acpi_system_info_open_fs, .read = seq_read, .llseek = seq_lseek, @@ -67,7 +67,7 @@ static struct file_operations acpi_system_info_ops = { static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t, loff_t *); -static struct file_operations acpi_system_dsdt_ops = { +static const struct file_operations acpi_system_dsdt_ops = { .read = acpi_system_read_dsdt, }; @@ -94,7 +94,7 @@ acpi_system_read_dsdt(struct file *file, static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t, loff_t *); -static struct file_operations acpi_system_fadt_ops = { +static const struct file_operations acpi_system_fadt_ops = { .read = acpi_system_read_fadt, }; diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c index 99eacce..7856db7 100644 --- a/drivers/acpi/tables/tbget.c +++ b/drivers/acpi/tables/tbget.c @@ -320,6 +320,16 @@ acpi_tb_get_this_table(struct acpi_pointer *address, ACPI_FUNCTION_TRACE(tb_get_this_table); + /* Validate minimum length */ + + if (header->length < sizeof(struct acpi_table_header)) { + ACPI_ERROR((AE_INFO, + "Table length (%X) is smaller than minimum (%X)", + header->length, sizeof(struct acpi_table_header))); + + return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); + } + /* * Flags contains the current processor mode (Virtual or Physical * addressing) The pointer_type is either Logical or Physical @@ -356,7 +366,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address, */ status = acpi_os_map_memory(address->pointer.physical, (acpi_size) header->length, - (void *)&full_table); + ACPI_CAST_PTR(void, &full_table)); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X", diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c index 7ca2df7..1668a23 100644 --- a/drivers/acpi/tables/tbinstal.c +++ b/drivers/acpi/tables/tbinstal.c @@ -256,7 +256,7 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type, status = acpi_ut_allocate_owner_id(&table_desc->owner_id); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_exit1; } /* Install the table into the global data structure */ @@ -274,8 +274,8 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type, * at this location, so return an error. */ if (list_head->next) { - ACPI_FREE(table_desc); - return_ACPI_STATUS(AE_ALREADY_EXISTS); + status = AE_ALREADY_EXISTS; + goto error_exit2; } table_desc->next = list_head->next; @@ -335,6 +335,17 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type, table_info->owner_id = table_desc->owner_id; table_info->installed_desc = table_desc; return_ACPI_STATUS(AE_OK); + + /* Error exit with cleanup */ + + error_exit2: + + acpi_ut_release_owner_id(&table_desc->owner_id); + + error_exit1: + + ACPI_FREE(table_desc); + return_ACPI_STATUS(status); } /******************************************************************************* @@ -525,6 +536,10 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc acpi_tb_delete_single_table(table_desc); + /* Free the owner ID associated with this table */ + + acpi_ut_release_owner_id(&table_desc->owner_id); + /* Free the table descriptor */ next_desc = table_desc->next; diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index abcb08c..0ad3dbb 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -183,6 +183,17 @@ acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr) ACPI_FUNCTION_ENTRY(); + /* Validate minimum length */ + + if (table_ptr->length < sizeof(struct acpi_table_header)) { + ACPI_ERROR((AE_INFO, + "RSDT/XSDT length (%X) is smaller than minimum (%X)", + table_ptr->length, + sizeof(struct acpi_table_header))); + + return (AE_INVALID_TABLE_LENGTH); + } + /* Search for appropriate signature, RSDT or XSDT */ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { @@ -210,7 +221,7 @@ acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr) ACPI_ERROR((AE_INFO, "Looking for XSDT")); } - ACPI_DUMP_BUFFER((char *)table_ptr, 48); + ACPI_DUMP_BUFFER(ACPI_CAST_PTR(char, table_ptr), 48); return (AE_BAD_SIGNATURE); } @@ -258,7 +269,7 @@ acpi_status acpi_tb_get_table_rsdt(void) status = acpi_tb_validate_rsdt(table_info.pointer); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_cleanup; } /* Get the number of tables defined in the RSDT or XSDT */ @@ -270,14 +281,14 @@ acpi_status acpi_tb_get_table_rsdt(void) status = acpi_tb_convert_to_xsdt(&table_info); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_cleanup; } /* Save the table pointers and allocation info */ status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_cleanup; } acpi_gbl_XSDT = @@ -285,4 +296,12 @@ acpi_status acpi_tb_get_table_rsdt(void) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); return_ACPI_STATUS(status); + + error_cleanup: + + /* Free table allocated by acpi_tb_get_table */ + + acpi_tb_delete_single_table(&table_info); + + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 4e91f29..7767987 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -134,8 +134,8 @@ ACPI_EXPORT_SYMBOL(acpi_load_tables) * RETURN: Status * * DESCRIPTION: This function is called to load a table from the caller's - * buffer. The buffer must contain an entire ACPI Table including - * a valid header. The header fields will be verified, and if it + * buffer. The buffer must contain an entire ACPI Table including + * a valid header. The header fields will be verified, and if it * is determined that the table is invalid, the call will fail. * ******************************************************************************/ @@ -245,15 +245,18 @@ acpi_status acpi_unload_table(acpi_table_type table_type) /* Find all tables of the requested type */ table_desc = acpi_gbl_table_lists[table_type].next; + if (!table_desc) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + while (table_desc) { /* - * Delete all namespace entries owned by this table. Note that these - * entries can appear anywhere in the namespace by virtue of the AML - * "Scope" operator. Thus, we need to track ownership by an ID, not + * Delete all namespace objects owned by this table. Note that these + * objects can appear anywhere in the namespace by virtue of the AML + * "Scope" operator. Thus, we need to track ownership by an ID, not * simply a position within the hierarchy */ acpi_ns_delete_namespace_by_owner(table_desc->owner_id); - acpi_ut_release_owner_id(&table_desc->owner_id); table_desc = table_desc->next; } @@ -275,12 +278,12 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table) * see acpi_gbl_acpi_table_flag * out_table_header - pointer to the struct acpi_table_header if successful * - * DESCRIPTION: This function is called to get an ACPI table header. The caller + * DESCRIPTION: This function is called to get an ACPI table header. The caller * supplies an pointer to a data area sufficient to contain an ACPI * struct acpi_table_header structure. * * The header contains a length field that can be used to determine - * the size of the buffer needed to contain the entire table. This + * the size of the buffer needed to contain the entire table. This * function is not valid for the RSD PTR table since it does not * have a standard header and is fixed length. * @@ -322,7 +325,8 @@ acpi_get_table_header(acpi_table_type table_type, /* Copy the header to the caller's buffer */ - ACPI_MEMCPY((void *)out_table_header, (void *)tbl_ptr, + ACPI_MEMCPY(ACPI_CAST_PTR(void, out_table_header), + ACPI_CAST_PTR(void, tbl_ptr), sizeof(struct acpi_table_header)); return_ACPI_STATUS(status); @@ -344,10 +348,10 @@ ACPI_EXPORT_SYMBOL(acpi_get_table_header) * * RETURN: Status * - * DESCRIPTION: This function is called to get an ACPI table. The caller + * DESCRIPTION: This function is called to get an ACPI table. The caller * supplies an out_buffer large enough to contain the entire ACPI - * table. The caller should call the acpi_get_table_header function - * first to determine the buffer size needed. Upon completion + * table. The caller should call the acpi_get_table_header function + * first to determine the buffer size needed. Upon completion * the out_buffer->Length field will indicate the number of bytes * copied into the out_buffer->buf_ptr buffer. This table will be * a complete table including the header. @@ -417,7 +421,9 @@ acpi_get_table(acpi_table_type table_type, /* Copy the table to the buffer */ - ACPI_MEMCPY((void *)ret_buffer->pointer, (void *)tbl_ptr, table_length); + ACPI_MEMCPY(ACPI_CAST_PTR(void, ret_buffer->pointer), + ACPI_CAST_PTR(void, tbl_ptr), table_length); + return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 503c0b9..480a317 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -176,21 +176,21 @@ struct acpi_thermal { struct timer_list timer; }; -static struct file_operations acpi_thermal_state_fops = { +static const struct file_operations acpi_thermal_state_fops = { .open = acpi_thermal_state_open_fs, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; -static struct file_operations acpi_thermal_temp_fops = { +static const struct file_operations acpi_thermal_temp_fops = { .open = acpi_thermal_temp_open_fs, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; -static struct file_operations acpi_thermal_trip_fops = { +static const struct file_operations acpi_thermal_trip_fops = { .open = acpi_thermal_trip_open_fs, .read = seq_read, .write = acpi_thermal_write_trip_points, @@ -198,7 +198,7 @@ static struct file_operations acpi_thermal_trip_fops = { .release = single_release, }; -static struct file_operations acpi_thermal_cooling_fops = { +static const struct file_operations acpi_thermal_cooling_fops = { .open = acpi_thermal_cooling_open_fs, .read = seq_read, .write = acpi_thermal_write_cooling_mode, @@ -206,7 +206,7 @@ static struct file_operations acpi_thermal_cooling_fops = { .release = single_release, }; -static struct file_operations acpi_thermal_polling_fops = { +static const struct file_operations acpi_thermal_polling_fops = { .open = acpi_thermal_polling_open_fs, .read = seq_read, .write = acpi_thermal_write_polling, diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c index 5cff17d..f6cbc0b 100644 --- a/drivers/acpi/utilities/utalloc.c +++ b/drivers/acpi/utilities/utalloc.c @@ -285,6 +285,7 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer, return (status); } +#ifdef NOT_USED_BY_LINUX /******************************************************************************* * * FUNCTION: acpi_ut_allocate @@ -360,3 +361,4 @@ void *acpi_ut_allocate_zeroed(acpi_size size, return (allocation); } +#endif diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index 5ec1cfc..bb1eaf9 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -47,7 +47,7 @@ ACPI_MODULE_NAME("utdebug") #ifdef ACPI_DEBUG_OUTPUT -static u32 acpi_gbl_prev_thread_id = 0xFFFFFFFF; +static acpi_thread_id acpi_gbl_prev_thread_id; static char *acpi_gbl_fn_entry_str = "----Entry"; static char *acpi_gbl_fn_exit_str = "----Exit-"; @@ -181,7 +181,7 @@ acpi_ut_debug_print(u32 requested_debug_level, if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf ("\n**** Context Switch from TID %X to TID %X ****\n\n", - acpi_gbl_prev_thread_id, thread_id); + (u32) acpi_gbl_prev_thread_id, (u32) thread_id); } acpi_gbl_prev_thread_id = thread_id; diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 38ebe1c..9d3f114 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -447,11 +447,16 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) */ switch (ACPI_GET_OBJECT_TYPE(object)) { case ACPI_TYPE_DEVICE: + case ACPI_TYPE_PROCESSOR: + case ACPI_TYPE_POWER: + case ACPI_TYPE_THERMAL: - acpi_ut_update_ref_count(object->device.system_notify, - action); - acpi_ut_update_ref_count(object->device.device_notify, - action); + /* Update the notify objects for these types (if present) */ + + acpi_ut_update_ref_count(object->common_notify. + system_notify, action); + acpi_ut_update_ref_count(object->common_notify. + device_notify, action); break; case ACPI_TYPE_PACKAGE: diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 3326831..6d8a821 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -65,7 +65,7 @@ ACPI_MODULE_NAME("utmisc") u8 acpi_ut_is_aml_table(struct acpi_table_header *table) { - /* Ignore tables that contain AML */ + /* These are the only tables that contain executable AML */ if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) || ACPI_COMPARE_NAME(table->signature, PSDT_SIG) || @@ -419,10 +419,15 @@ void acpi_ut_set_integer_width(u8 revision) { if (revision <= 1) { + + /* 32-bit case */ + acpi_gbl_integer_bit_width = 32; acpi_gbl_integer_nybble_width = 8; acpi_gbl_integer_byte_width = 4; } else { + /* 64-bit case (ACPI 2.0+) */ + acpi_gbl_integer_bit_width = 64; acpi_gbl_integer_nybble_width = 16; acpi_gbl_integer_byte_width = 8; @@ -502,6 +507,7 @@ acpi_ut_display_init_pathname(u8 type, * FUNCTION: acpi_ut_valid_acpi_char * * PARAMETERS: Char - The character to be examined + * Position - Byte position (0-3) * * RETURN: TRUE if the character is valid, FALSE otherwise * @@ -609,7 +615,9 @@ acpi_name acpi_ut_repair_name(acpi_name name) * * RETURN: Status and Converted value * - * DESCRIPTION: Convert a string into an unsigned value. + * DESCRIPTION: Convert a string into an unsigned value. Performs either a + * 32-bit or 64-bit conversion, depending on the current mode + * of the interpreter. * NOTE: Does not support Octal strings, not needed. * ******************************************************************************/ @@ -627,7 +635,7 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer) u8 sign_of0x = 0; u8 term = 0; - ACPI_FUNCTION_TRACE(ut_stroul64); + ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); switch (base) { case ACPI_ANY_BASE: @@ -675,11 +683,13 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer) } } + /* + * Perform a 32-bit or 64-bit conversion, depending upon the current + * execution mode of the interpreter + */ dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; - /* At least one character in the string here */ - - /* Main loop: convert the string to a 64-bit integer */ + /* Main loop: convert the string to a 32- or 64-bit integer */ while (*string) { if (ACPI_IS_DIGIT(*string)) { @@ -754,6 +764,9 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer) all_done: + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", + ACPI_FORMAT_UINT64(return_value))); + *ret_integer = return_value; return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index dfc8f30..c39062a 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -244,14 +244,14 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %X attempting to acquire Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name(mutex_id))); + (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", - this_thread_id, + (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); acpi_gbl_mutex_info[mutex_id].use_count++; @@ -259,7 +259,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) } else { ACPI_EXCEPTION((AE_INFO, status, "Thread %X could not acquire Mutex [%X]", - this_thread_id, mutex_id)); + (u32) this_thread_id, mutex_id)); } return (status); @@ -285,7 +285,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) this_thread_id = acpi_os_get_thread_id(); ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X releasing Mutex [%s]\n", this_thread_id, + "Thread %X releasing Mutex [%s]\n", (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c index 0f5c5bb..eaa13d0 100644 --- a/drivers/acpi/utilities/utstate.c +++ b/drivers/acpi/utilities/utstate.c @@ -199,6 +199,13 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void) state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD; state->thread.thread_id = acpi_os_get_thread_id(); + /* Check for invalid thread ID - zero is very bad, it will break things */ + + if (!state->thread.thread_id) { + ACPI_ERROR((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId")); + state->thread.thread_id = (acpi_thread_id) 1; + } + return_PTR((struct acpi_thread_state *)state); } |
