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Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 

* 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6:
  ACPI: Fix thermal shutdowns
  ACPI: bounds check IRQ to prevent memory corruption
  ACPI: Avoid bogus EC timeout when EC is in Polling mode
  ACPI : Add the EC dmi table to fix the incorrect ECDT table
  ACPI: Properly clear flags on false-positives and send uevent on sudden unplug
  acpi: trivial cleanups
  acer-wmi: Fix wireless and bluetooth on early AMW0 v2 laptops
  ACPI: WMI: Set instance for query block calls
  ACPICA: Additional error checking for pathname utilities
  ACPICA: Fix possible memory leak in Unload() operator
  ACPICA: Fix memory leak when deleting thermal/processor objects
This commit is contained in:
Linus Torvalds 2008-08-15 09:26:37 -07:00
parent 024b246ed2 0f24562364
commit ffaa5b984a
15 changed files with 127 additions and 34 deletions
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11
drivers/acpi/dock.c
View File

@ -563,9 +563,6 @@ EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
*/
static int handle_eject_request(struct dock_station *ds, u32 event)
{
if (!dock_present(ds))
return -ENODEV;
if (dock_in_progress(ds))
return -EBUSY;
@ -573,8 +570,16 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
* here we need to generate the undock
* event prior to actually doing the undock
* so that the device struct still exists.
* Also, even send the dock event if the
* device is not present anymore
*/
dock_event(ds, event, UNDOCK_EVENT);
if (!dock_present(ds)) {
complete_undock(ds);
return -ENODEV;
}
hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
undock(ds);
eject_dock(ds);

36
drivers/acpi/ec.c
View File

@ -110,6 +110,31 @@ static struct acpi_ec {
u8 handlers_installed;
} *boot_ec, *first_ec;
/*
* Some Asus system have exchanged ECDT data/command IO addresses.
*/
static int print_ecdt_error(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"ECDT has exchanged control/data I/O address\n",
id->ident);
return 0;
}
static struct dmi_system_id __cpuinitdata ec_dmi_table[] = {
{
print_ecdt_error, "Asus L4R", {
DMI_MATCH(DMI_BIOS_VERSION, "1008.006"),
DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),
DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL},
{
print_ecdt_error, "Asus M6R", {
DMI_MATCH(DMI_BIOS_VERSION, "0207"),
DMI_MATCH(DMI_PRODUCT_NAME, "M6R"),
DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL},
{},
};
/* --------------------------------------------------------------------------
Transaction Management
-------------------------------------------------------------------------- */
@ -196,6 +221,8 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
return 0;
msleep(1);
}
if (acpi_ec_check_status(ec,event))
return 0;
}
pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
acpi_ec_read_status(ec),
@ -911,6 +938,15 @@ int __init acpi_ec_ecdt_probe(void)
pr_info(PREFIX "EC description table is found, configuring boot EC\n");
boot_ec->command_addr = ecdt_ptr->control.address;
boot_ec->data_addr = ecdt_ptr->data.address;
if (dmi_check_system(ec_dmi_table)) {
/*
* If the board falls into ec_dmi_table, it means
* that ECDT table gives the incorrect command/status
* & data I/O address. Just fix it.
*/
boot_ec->data_addr = ecdt_ptr->control.address;
boot_ec->command_addr = ecdt_ptr->data.address;
}
boot_ec->gpe = ecdt_ptr->gpe;
boot_ec->handle = ACPI_ROOT_OBJECT;
acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);

3
drivers/acpi/executer/exconfig.c
View File

@ -479,5 +479,8 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
acpi_tb_set_table_loaded_flag(table_index, FALSE);
/* Table unloaded, remove a reference to the ddb_handle object */
acpi_ut_remove_reference(ddb_handle);
return_ACPI_STATUS(AE_OK);
}

34
drivers/acpi/namespace/nsnames.c
View File

@ -56,13 +56,14 @@ ACPI_MODULE_NAME("nsnames")
* Size - Size of the pathname
* *name_buffer - Where to return the pathname
*
* RETURN: Places the pathname into the name_buffer, in external format
* RETURN: Status
* Places the pathname into the name_buffer, in external format
* (name segments separated by path separators)
*
* DESCRIPTION: Generate a full pathaname
*
******************************************************************************/
void
acpi_status
acpi_ns_build_external_path(struct acpi_namespace_node *node,
acpi_size size, char *name_buffer)
{
@ -77,7 +78,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
if (index < ACPI_NAME_SIZE) {
name_buffer[0] = AML_ROOT_PREFIX;
name_buffer[1] = 0;
return;
return (AE_OK);
}
/* Store terminator byte, then build name backwards */
@ -105,11 +106,13 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
if (index != 0) {
ACPI_ERROR((AE_INFO,
"Could not construct pathname; index=%X, size=%X, Path=%s",
"Could not construct external pathname; index=%X, size=%X, Path=%s",
(u32) index, (u32) size, &name_buffer[size]));
return (AE_BAD_PARAMETER);
}
return;
return (AE_OK);
}
#ifdef ACPI_DEBUG_OUTPUT
@ -129,6 +132,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
{
acpi_status status;
char *name_buffer;
acpi_size size;
@ -138,8 +142,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
size = acpi_ns_get_pathname_length(node);
if (!size) {
ACPI_ERROR((AE_INFO, "Invalid node failure"));
return_PTR(NULL);
return (NULL);
}
/* Allocate a buffer to be returned to caller */
@ -152,7 +155,11 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
/* Build the path in the allocated buffer */
acpi_ns_build_external_path(node, size, name_buffer);
status = acpi_ns_build_external_path(node, size, name_buffer);
if (ACPI_FAILURE(status)) {
return (NULL);
}
return_PTR(name_buffer);
}
#endif
@ -186,7 +193,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
while (next_node && (next_node != acpi_gbl_root_node)) {
if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) {
ACPI_ERROR((AE_INFO,
"Invalid NS Node (%p) while traversing path",
"Invalid Namespace Node (%p) while traversing namespace",
next_node));
return 0;
}
@ -234,8 +241,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
required_size = acpi_ns_get_pathname_length(node);
if (!required_size) {
ACPI_ERROR((AE_INFO, "Invalid node failure"));
return_ACPI_STATUS(AE_ERROR);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Validate/Allocate/Clear caller buffer */
@ -247,7 +253,11 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
/* Build the path in the caller buffer */
acpi_ns_build_external_path(node, required_size, buffer->pointer);
status =
acpi_ns_build_external_path(node, required_size, buffer->pointer);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X]\n",
(char *)buffer->pointer, (u32) required_size));

12
drivers/acpi/pci_link.c
View File

@ -849,7 +849,7 @@ static int __init acpi_irq_penalty_update(char *str, int used)
if (irq < 0)
continue;
if (irq >= ACPI_MAX_IRQS)
if (irq >= ARRAY_SIZE(acpi_irq_penalty))
continue;
if (used)
@ -872,10 +872,12 @@ static int __init acpi_irq_penalty_update(char *str, int used)
*/
void acpi_penalize_isa_irq(int irq, int active)
{
if (active)
acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED;
else
acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) {
if (active)
acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED;
else
acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
}
}
/*

2
drivers/acpi/processor_core.c
View File

@ -123,7 +123,7 @@ struct acpi_processor_errata errata __read_mostly;
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disable mwait for CPU C-stetes\n", id->ident);
"disabling mwait for CPU C-states\n", id->ident);
idle_nomwait = 1;
return 0;
}

1
drivers/acpi/processor_idle.c
View File

@ -41,7 +41,6 @@
#include <linux/pm_qos_params.h>
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
#include <linux/cpuidle.h>
/*
* Include the apic definitions for x86 to have the APIC timer related defines

2
drivers/acpi/processor_perflib.c
View File

@ -70,7 +70,7 @@ static DEFINE_MUTEX(performance_mutex);
* 0 -> cpufreq low level drivers initialized -> consider _PPC values
* 1 -> ignore _PPC totally -> forced by user through boot param
*/
static unsigned int ignore_ppc = -1;
static int ignore_ppc = -1;
module_param(ignore_ppc, uint, 0644);
MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
"limited by BIOS, this should help");

3
drivers/acpi/resources/rscalc.c
View File

@ -587,6 +587,9 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
} else {
temp_size_needed +=
acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
if (!temp_size_needed) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
}
} else {
/*

8
drivers/acpi/utilities/utalloc.c
View File

@ -242,10 +242,12 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
{
acpi_status status = AE_OK;
if (!required_length) {
WARN_ON(1);
return AE_ERROR;
/* Parameter validation */
if (!buffer || !required_length) {
return (AE_BAD_PARAMETER);
}
switch (buffer->length) {
case ACPI_NO_BUFFER:

13
drivers/acpi/utilities/utdelete.c
View File

@ -135,6 +135,10 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
obj_pointer = object->package.elements;
break;
/*
* These objects have a possible list of notify handlers.
* Device object also may have a GPE block.
*/
case ACPI_TYPE_DEVICE:
if (object->device.gpe_block) {
@ -142,9 +146,14 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
gpe_block);
}
/* Walk the handler list for this device */
/*lint -fallthrough */
handler_desc = object->device.handler;
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_THERMAL:
/* Walk the notify handler list for this object */
handler_desc = object->common_notify.handler;
while (handler_desc) {
next_desc = handler_desc->address_space.next;
acpi_ut_remove_reference(handler_desc);

13
drivers/acpi/utilities/utobject.c
View File

@ -425,6 +425,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
acpi_size * obj_length)
{
acpi_size length;
acpi_size size;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
@ -484,10 +485,14 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
* Get the actual length of the full pathname to this object.
* The reference will be converted to the pathname to the object
*/
length +=
ACPI_ROUND_UP_TO_NATIVE_WORD
(acpi_ns_get_pathname_length
(internal_object->reference.node));
size =
acpi_ns_get_pathname_length(internal_object->
reference.node);
if (!size) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
length += ACPI_ROUND_UP_TO_NATIVE_WORD(size);
break;
default:

2
drivers/acpi/wmi.c
View File

@ -347,7 +347,7 @@ struct acpi_buffer *out)
strcpy(method, "WQ");
strncat(method, block->object_id, 2);
status = acpi_evaluate_object(handle, method, NULL, out);
status = acpi_evaluate_object(handle, method, &input, out);
/*
* If ACPI_WMI_EXPENSIVE, call the relevant WCxx method, even if

19
drivers/misc/acer-wmi.c
View File

@ -803,11 +803,30 @@ static acpi_status get_u32(u32 *value, u32 cap)
static acpi_status set_u32(u32 value, u32 cap)
{
acpi_status status;
if (interface->capability & cap) {
switch (interface->type) {
case ACER_AMW0:
return AMW0_set_u32(value, cap, interface);
case ACER_AMW0_V2:
if (cap == ACER_CAP_MAILLED)
return AMW0_set_u32(value, cap, interface);
/*
* On some models, some WMID methods don't toggle
* properly. For those cases, we want to run the AMW0
* method afterwards to be certain we've really toggled
* the device state.
*/
if (cap == ACER_CAP_WIRELESS ||
cap == ACER_CAP_BLUETOOTH) {
status = WMID_set_u32(value, cap, interface);
if (ACPI_FAILURE(status))
return status;
return AMW0_set_u32(value, cap, interface);
}
case ACER_WMID:
return WMID_set_u32(value, cap, interface);
default:

2
include/acpi/acnamesp.h
View File

@ -182,7 +182,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
*/
u32 acpi_ns_opens_scope(acpi_object_type type);
void
acpi_status
acpi_ns_build_external_path(struct acpi_namespace_node *node,
acpi_size size, char *name_buffer);