diff options
Diffstat (limited to 'drivers/acpi/acpica/nsalloc.c')
| -rw-r--r-- | drivers/acpi/acpica/nsalloc.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 7c3d3ceb98b..607eb9e5150 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2012, Intel Corp. + * Copyright (C) 2000 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -52,7 +52,7 @@ ACPI_MODULE_NAME("nsalloc") * * FUNCTION: acpi_ns_create_node * - * PARAMETERS: Name - Name of the new node (4 char ACPI name) + * PARAMETERS: name - Name of the new node (4 char ACPI name) * * RETURN: New namespace node (Null on failure) * @@ -92,7 +92,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name) * * FUNCTION: acpi_ns_delete_node * - * PARAMETERS: Node - Node to be deleted + * PARAMETERS: node - Node to be deleted * * RETURN: None * @@ -106,6 +106,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name) void acpi_ns_delete_node(struct acpi_namespace_node *node) { union acpi_operand_object *obj_desc; + union acpi_operand_object *next_desc; ACPI_FUNCTION_NAME(ns_delete_node); @@ -114,12 +115,13 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) acpi_ns_detach_object(node); /* - * Delete an attached data object if present (an object that was created - * and attached via acpi_attach_data). Note: After any normal object is - * detached above, the only possible remaining object is a data object. + * Delete an attached data object list if present (objects that were + * attached via acpi_attach_data). Note: After any normal object is + * detached above, the only possible remaining object(s) are data + * objects, in a linked list. */ obj_desc = node->object; - if (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) { + while (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) { /* Invoke the attached data deletion handler if present */ @@ -127,7 +129,15 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) obj_desc->data.handler(node, obj_desc->data.pointer); } + next_desc = obj_desc->common.next_object; acpi_ut_remove_reference(obj_desc); + obj_desc = next_desc; + } + + /* Special case for the statically allocated root node */ + + if (node == acpi_gbl_root_node) { + return; } /* Now we can delete the node */ @@ -143,7 +153,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) * * FUNCTION: acpi_ns_remove_node * - * PARAMETERS: Node - Node to be removed/deleted + * PARAMETERS: node - Node to be removed/deleted * * RETURN: None * @@ -196,8 +206,8 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node) * * PARAMETERS: walk_state - Current state of the walk * parent_node - The parent of the new Node - * Node - The new Node to install - * Type - ACPI object type of the new Node + * node - The new Node to install + * type - ACPI object type of the new Node * * RETURN: None * @@ -332,7 +342,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) * * RETURN: None. * - * DESCRIPTION: Delete a subtree of the namespace. This includes all objects + * DESCRIPTION: Delete a subtree of the namespace. This includes all objects * stored within the subtree. * ******************************************************************************/ @@ -418,7 +428,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) * RETURN: Status * * DESCRIPTION: Delete entries within the namespace that are owned by a - * specific ID. Used to delete entire ACPI tables. All + * specific ID. Used to delete entire ACPI tables. All * reference counts are updated. * * MUTEX: Locks namespace during deletion walk. |