1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 243737363fb8..fd1ff54cda19 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -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 */