1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 0da33c8e9ba2..2bad613db73a 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -181,6 +181,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
         }
 
         this_node = acpi_ns_map_handle_to_node(obj_handle);
+        if (!this_node) {
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
+                                  obj_handle));
+                return (AE_OK);
+        }
+
         type = this_node->type;
 
         /* Check if the owner matches */
@@ -214,9 +220,8 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
         }
 
-        /*
-         * Now we can print out the pertinent information
-         */
+        /* Now we can print out the pertinent information */
+
         acpi_os_printf(" %-12s %p %2.2X ",
                        acpi_ut_get_type_name(type), this_node,
                        this_node->owner_id);
@@ -509,7 +514,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 
                 case ACPI_DESC_TYPE_OPERAND:
 
-                        obj_type = ACPI_GET_OBJECT_TYPE(obj_desc);
+                        obj_type = obj_desc->common.type;
 
                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
                                 acpi_os_printf
@@ -539,9 +544,8 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
                         goto cleanup;
                 }
 
-                /*
-                 * Valid object, get the pointer to next level, if any
-                 */
+                /* Valid object, get the pointer to next level, if any */
+
                 switch (obj_type) {
                 case ACPI_TYPE_BUFFER:
                 case ACPI_TYPE_STRING:
@@ -602,14 +606,14 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
  *                                    for an effectively unlimited depth.
- *              owner_id            - Dump only objects owned by this ID.  Use
+ *              owner_id            - Dump only objects owned by this ID. Use
  *                                    ACPI_UINT32_MAX to match all owners.
  *              start_handle        - Where in namespace to start/end search
  *
  * RETURN:      None
  *
- * DESCRIPTION: Dump typed objects within the loaded namespace.
- *              Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
+ * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
+ *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
  *
  ******************************************************************************/