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path: root/drivers/acpi/namespace/nsalloc.c
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Diffstat (limited to 'drivers/acpi/namespace/nsalloc.c')
-rw-r--r--drivers/acpi/namespace/nsalloc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 9b871f38b61b..cd26cb971a1c 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -115,6 +115,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
}
if (prev_node) {
+
/* Node is not first child, unlink it */
prev_node->peer = next_node->peer;
@@ -125,6 +126,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
/* Node is first child (has no previous peer) */
if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
+
/* No peers at all */
parent_node->child = NULL;
@@ -264,6 +266,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
* Deallocate all children at this level
*/
do {
+
/* Get the things we need */
next_node = child_node->peer;
@@ -352,11 +355,13 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
* to where we started.
*/
while (level > 0) {
+
/* Get the next node in this scope (NULL if none) */
child_node = acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
child_node);
if (child_node) {
+
/* Found a child node - detach any attached object */
acpi_ns_detach_object(child_node);
@@ -427,6 +432,7 @@ static void acpi_ns_remove_reference(struct acpi_namespace_node *node)
*/
this_node = node;
while (this_node) {
+
/* Prepare to move up to parent */
parent_node = acpi_ns_get_parent_node(this_node);
@@ -438,6 +444,7 @@ static void acpi_ns_remove_reference(struct acpi_namespace_node *node)
/* Delete the node if no more references */
if (!this_node->reference_count) {
+
/* Delete all children and delete the node */
acpi_ns_delete_children(this_node);
@@ -500,6 +507,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
if (child_node) {
if (child_node->owner_id == owner_id) {
+
/* Found a matching child node - detach any attached object */
acpi_ns_detach_object(child_node);