* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_address_space_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_address_space_handler);
/* Parameter validation */
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_address_space_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler)
/*******************************************************************************
*
* DESCRIPTION: Remove a previously installed handler.
*
******************************************************************************/
-
acpi_status
acpi_remove_address_space_handler(acpi_handle device,
acpi_adr_space_type space_id,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_remove_address_space_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_address_space_handler);
/* Parameter validation */
/* 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;
}
handler_obj = obj_desc->device.handler;
last_obj_ptr = &obj_desc->device.handler;
while (handler_obj) {
+
/* We have a handler, see if user requested this one */
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,
/* The handler does not exist */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "Unable to remove address handler %p for %s(%X), dev_node %p, obj %p\n",
+ "Unable to remove address handler %p for %s(%X), DevNode %p, obj %p\n",
handler, acpi_ut_get_region_name(space_id), space_id,
node, obj_desc));
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_address_space_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_address_space_handler)