Merge branch 'acpica'

* acpica: (29 commits)
  ACPICA: Revert "Headers: Deploy #pragma pack (push) and (pop)."
  ACPICA: Update version to 20140214.
  ACPICA: Prevent infinite loops when traversing corrupted lists.
  ACPICA: Debugger: Add missing objects; Traverse linked lists
  ACPICA: Add text: ACPICA policy for new _OSI strings. No functional change.
  ACPICA: Update for _PRP predefined name.
  ACPICA: Cleanup/improve global variable declarations.
  ACPICA: Comment update - no functional change.
  ACPICA: Do not abort _PRT repair on a single subpackage failure.
  ACPICA: Harden _PRT repair code; check for minimum package length.
  ACPICA: Restore code that repairs NULL package elements in return values.
  ACPICA: Properly handle NULL entries in _PRT return packages.
  ACPICA: Update conditional compilation flags for resource dump functions.
  ACPICA: Predefined names: Add support for the _PRP method.
  ACPICA: Headers: Deploy #pragma pack (push) and (pop).
  ACPICA: Add boot option to disable auto return object repair
  ACPICA: acpidump: Remove integer types translation protection.
  ACPICA: acpidump: Add sparse declarators support.
  ACPICA: Add "Windows 2013" string to _OSI support.
  ACPICA: Update version to 20140114.
  ...

Documentation/kernel-parameters.txt

@@ -231,6 +231,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	acpi_no_auto_ssdt	[HW,ACPI] Disable automatic loading of SSDT
 
+	acpica_no_return_repair [HW, ACPI]
+			Disable AML predefined validation mechanism
+			This mechanism can repair the evaluation result to make
+			the return objects more ACPI specification compliant.
+			This option is useful for developers to identify the
+			root cause of an AML interpreter issue when the issue
+			has something to do with the repair mechanism.
+
 	acpi_os_name=	[HW,ACPI] Tell ACPI BIOS the name of the OS
 			Format: To spoof as Windows 98: ="Microsoft Windows"
 

drivers/acpi/acpica/Makefile

@@ -122,6 +122,8 @@ acpi-y +=		\
 	rsaddr.o	\
 	rscalc.o	\
 	rscreate.o	\
+	rsdump.o	\
+	rsdumpinfo.o	\
 	rsinfo.o	\
 	rsio.o		\
 	rsirq.o		\
@@ -132,8 +134,6 @@ acpi-y +=		\
 	rsutils.o	\
 	rsxface.o
 
-acpi-$(ACPI_FUTURE_USAGE) += rsdump.o rsdumpinfo.o
-
 acpi-y +=		\
 	tbfadt.o	\
 	tbfind.o	\

drivers/acpi/acpica/accommon.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acdebug.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -115,6 +115,8 @@ ACPI_HW_DEPENDENT_RETURN_VOID(void
 						   char *block_arg))
 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_generate_sci(void))
 
+void acpi_db_execute_test(char *type_arg);
+
 /*
  * dbconvert - miscellaneous conversion routines
  */

drivers/acpi/acpica/acdispat.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acevents.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/achware.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acinterp.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,6 +87,10 @@ typedef const struct acpi_exdump_info {
 #define ACPI_EXD_PACKAGE                11
 #define ACPI_EXD_FIELD                  12
 #define ACPI_EXD_REFERENCE              13
+#define ACPI_EXD_LIST                   14	/* Operand object list */
+#define ACPI_EXD_HDLR_LIST              15	/* Address Handler list */
+#define ACPI_EXD_RGN_LIST               16	/* Region list */
+#define ACPI_EXD_NODE                   17	/* Namespace Node */
 
 /* restore default alignment */
 

drivers/acpi/acpica/aclocal.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acmacros.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,17 +63,21 @@
 #define ACPI_SET64(ptr, val)            (*ACPI_CAST64 (ptr) = (u64) (val))
 
 /*
- * printf() format helpers
+ * printf() format helpers. These macros are workarounds for the difficulties
+ * with emitting 64-bit integers and 64-bit pointers with the same code
+ * for both 32-bit and 64-bit hosts.
  */
-
-/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
-
 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
 
 #if ACPI_MACHINE_WIDTH == 64
 #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
+#define ACPI_FORMAT_TO_UINT(i)          ACPI_FORMAT_UINT64(i)
+#define ACPI_PRINTF_UINT                 "0x%8.8X%8.8X"
+
 #else
-#define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
+#define ACPI_FORMAT_NATIVE_UINT(i)      0, (u32) (i)
+#define ACPI_FORMAT_TO_UINT(i)          (u32) (i)
+#define ACPI_PRINTF_UINT                 "0x%8.8X"
 #endif
 
 /*

drivers/acpi/acpica/acnamesp.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acobject.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acopcode.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acparser.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acpredef.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,7 @@
  *
  * Return Package types
  *
- * 1) PTYPE1 packages do not contain sub-packages.
+ * 1) PTYPE1 packages do not contain subpackages.
  *
  * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
  *      object type
@@ -63,8 +63,8 @@
  *      (Used for _PRW)
  *
  *
- * 2) PTYPE2 packages contain a Variable-length number of sub-packages. Each
- *    of the different types describe the contents of each of the sub-packages.
+ * 2) PTYPE2 packages contain a Variable-length number of subpackages. Each
+ *    of the different types describe the contents of each of the subpackages.
  *
  * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types. Zero-length
  *      parent package is allowed:
@@ -560,7 +560,7 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
 
 	/*
 	 * For _HPX, a single package is returned, containing a variable-length number
-	 * of sub-packages. Each sub-package contains a PCI record setting.
+	 * of subpackages. Each subpackage contains a PCI record setting.
 	 * There are several different type of record settings, of different
 	 * lengths, but all elements of all settings are Integers.
 	 */
@@ -698,6 +698,12 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
 	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Variable-length (Refs) */
 	PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0),
 
+	{{"_PRP", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Variable-length (Pkgs) each: 1 Str, 1 Int/Str/Pkg */
+	PACKAGE_INFO(ACPI_PTYPE2, ACPI_RTYPE_STRING, 1,
+		     ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING |
+		     ACPI_RTYPE_PACKAGE | ACPI_RTYPE_REFERENCE, 1, 0),
+
 	{{"_PRS", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
 

drivers/acpi/acpica/acresrc.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acstruct.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/actables.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/acutils.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@ extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
 
 /* Strings used by the disassembler and debugger resource dump routines */
 
-#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
+#if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
 
 extern const char *acpi_gbl_bm_decode[];
 extern const char *acpi_gbl_config_decode[];

drivers/acpi/acpica/amlcode.h

@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/amlresrc.h

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsargs.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dscontrol.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsfield.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsinit.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsmethod.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsmthdat.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsobject.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsopcode.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dsutils.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dswexec.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dswload.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dswload2.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dswscope.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/dswstate.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evevent.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evglock.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evgpe.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evgpeblk.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evgpeinit.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evgpeutil.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evhandler.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evmisc.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evregion.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -314,6 +314,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
 {
 	union acpi_operand_object *handler_obj;
 	union acpi_operand_object *obj_desc;
+	union acpi_operand_object *start_desc;
 	union acpi_operand_object **last_obj_ptr;
 	acpi_adr_space_setup region_setup;
 	void **region_context;
@@ -341,6 +342,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
 	/* Find this region in the handler's list */
 
 	obj_desc = handler_obj->address_space.region_list;
+	start_desc = obj_desc;
 	last_obj_ptr = &handler_obj->address_space.region_list;
 
 	while (obj_desc) {
@@ -438,6 +440,15 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
 
 		last_obj_ptr = &obj_desc->region.next;
 		obj_desc = obj_desc->region.next;
+
+		/* Prevent infinite loop if list is corrupted */
+
+		if (obj_desc == start_desc) {
+			ACPI_ERROR((AE_INFO,
+				    "Circular handler list in region object %p",
+				    region_obj));
+			return_VOID;
+		}
 	}
 
 	/* If we get here, the region was not in the handler's region list */

drivers/acpi/acpica/evrgnini.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evsci.c

@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evxface.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evxfevnt.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/evxfgpe.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -583,6 +583,18 @@ acpi_install_gpe_block(acpi_handle gpe_device,
 		goto unlock_and_exit;
 	}
 
+	/* Validate the parent device */
+
+	if (node->type != ACPI_TYPE_DEVICE) {
+		status = AE_TYPE;
+		goto unlock_and_exit;
+	}
+
+	if (node->object) {
+		status = AE_ALREADY_EXISTS;
+		goto unlock_and_exit;
+	}
+
 	/*
 	 * For user-installed GPE Block Devices, the gpe_block_base_number
 	 * is always zero
@@ -666,6 +678,13 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
 		goto unlock_and_exit;
 	}
 
+	/* Validate the parent device */
+
+	if (node->type != ACPI_TYPE_DEVICE) {
+		status = AE_TYPE;
+		goto unlock_and_exit;
+	}
+
 	/* Get the device_object attached to the node */
 
 	obj_desc = acpi_ns_get_attached_object(node);

drivers/acpi/acpica/evxfregn.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exconfig.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exconvrt.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/excreate.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exdebug.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exfield.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exfldio.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exmisc.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exmutex.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exnames.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exoparg1.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exoparg2.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exoparg3.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exoparg6.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exprep.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exregion.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exresnte.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exresolv.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exresop.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exstore.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exstoren.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exstorob.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exsystem.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/exutils.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwacpi.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwesleep.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwgpe.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwpci.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwregs.c

@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwsleep.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwtimer.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwvalid.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwxface.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/hwxfsleep.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsaccess.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsalloc.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsarguments.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsconvert.c

@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsdump.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsdumpdv.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nseval.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsinit.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsload.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsnames.c

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsobject.c

@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -222,13 +222,19 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
 		}
 	}
 
-	/* Clear the entry in all cases */
+	/* Clear the Node entry in all cases */
 
 	node->object = NULL;
 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_OPERAND) {
+
+		/* Unlink object from front of possible object list */
+
 		node->object = obj_desc->common.next_object;
+
+		/* Handle possible 2-descriptor object */
+
 		if (node->object &&
-		    ((node->object)->common.type != ACPI_TYPE_LOCAL_DATA)) {
+		    (node->object->common.type != ACPI_TYPE_LOCAL_DATA)) {
 			node->object = node->object->common.next_object;
 		}
 	}

drivers/acpi/acpica/nsparse.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nspredef.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

drivers/acpi/acpica/nsprepkg.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -132,12 +132,12 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 	 * Decode the type of the expected package contents
 	 *
 	 * PTYPE1 packages contain no subpackages
-	 * PTYPE2 packages contain sub-packages
+	 * PTYPE2 packages contain subpackages
 	 */
 	switch (package->ret_info.type) {
 	case ACPI_PTYPE1_FIXED:
 		/*
-		 * The package count is fixed and there are no sub-packages
+		 * The package count is fixed and there are no subpackages
 		 *
 		 * If package is too small, exit.
 		 * If package is larger than expected, issue warning but continue
@@ -169,7 +169,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 
 	case ACPI_PTYPE1_VAR:
 		/*
-		 * The package count is variable, there are no sub-packages, and all
+		 * The package count is variable, there are no subpackages, and all
 		 * elements must be of the same type
 		 */
 		for (i = 0; i < count; i++) {
@@ -185,7 +185,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 
 	case ACPI_PTYPE1_OPTION:
 		/*
-		 * The package count is variable, there are no sub-packages. There are
+		 * The package count is variable, there are no subpackages. There are
 		 * a fixed number of required elements, and a variable number of
 		 * optional elements.
 		 *
@@ -242,7 +242,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 		elements++;
 		count--;
 
-		/* Examine the sub-packages */
+		/* Examine the subpackages */
 
 		status =
 		    acpi_ns_check_package_list(info, package, elements, count);
@@ -250,7 +250,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 
 	case ACPI_PTYPE2_PKG_COUNT:
 
-		/* First element is the (Integer) count of sub-packages to follow */
+		/* First element is the (Integer) count of subpackages to follow */
 
 		status = acpi_ns_check_object_type(info, elements,
 						   ACPI_RTYPE_INTEGER, 0);
@@ -270,7 +270,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 		count = expected_count;
 		elements++;
 
-		/* Examine the sub-packages */
+		/* Examine the subpackages */
 
 		status =
 		    acpi_ns_check_package_list(info, package, elements, count);
@@ -283,9 +283,9 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 	case ACPI_PTYPE2_FIX_VAR:
 		/*
 		 * These types all return a single Package that consists of a
-		 * variable number of sub-Packages.
+		 * variable number of subpackages.
 		 *
-		 * First, ensure that the first element is a sub-Package. If not,
+		 * First, ensure that the first element is a subpackage. If not,
 		 * the BIOS may have incorrectly returned the object as a single
 		 * package instead of a Package of Packages (a common error if
 		 * there is only one entry). We may be able to repair this by
@@ -310,7 +310,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
 			count = 1;
 		}
 
-		/* Examine the sub-packages */
+		/* Examine the subpackages */
 
 		status =
 		    acpi_ns_check_package_list(info, package, elements, count);
@@ -370,9 +370,9 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 	u32 j;
 
 	/*
-	 * Validate each sub-Package in the parent Package
+	 * Validate each subpackage in the parent Package
 	 *
-	 * NOTE: assumes list of sub-packages contains no NULL elements.
+	 * NOTE: assumes list of subpackages contains no NULL elements.
 	 * Any NULL elements should have been removed by earlier call
 	 * to acpi_ns_remove_null_elements.
 	 */
@@ -389,7 +389,7 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 			return (status);
 		}
 
-		/* Examine the different types of expected sub-packages */
+		/* Examine the different types of expected subpackages */
 
 		info->parent_package = sub_package;
 		switch (package->ret_info.type) {
@@ -450,14 +450,14 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 
 		case ACPI_PTYPE2_FIXED:
 
-			/* Each sub-package has a fixed length */
+			/* Each subpackage has a fixed length */
 
 			expected_count = package->ret_info2.count;
 			if (sub_package->package.count < expected_count) {
 				goto package_too_small;
 			}
 
-			/* Check the type of each sub-package element */
+			/* Check the type of each subpackage element */
 
 			for (j = 0; j < expected_count; j++) {
 				status =
@@ -475,14 +475,14 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 
 		case ACPI_PTYPE2_MIN:
 
-			/* Each sub-package has a variable but minimum length */
+			/* Each subpackage has a variable but minimum length */
 
 			expected_count = package->ret_info.count1;
 			if (sub_package->package.count < expected_count) {
 				goto package_too_small;
 			}
 
-			/* Check the type of each sub-package element */
+			/* Check the type of each subpackage element */
 
 			status =
 			    acpi_ns_check_package_elements(info, sub_elements,
@@ -531,7 +531,7 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 				(*sub_elements)->integer.value = expected_count;
 			}
 
-			/* Check the type of each sub-package element */
+			/* Check the type of each subpackage element */
 
 			status =
 			    acpi_ns_check_package_elements(info,
@@ -557,10 +557,10 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
 
 package_too_small:
 
-	/* The sub-package count was smaller than required */
+	/* The subpackage count was smaller than required */
 
 	ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
-			      "Return Sub-Package[%u] is too small - found %u elements, expected %u",
+			      "Return SubPackage[%u] is too small - found %u elements, expected %u",
 			      i, sub_package->package.count, expected_count));
 
 	return (AE_AML_OPERAND_VALUE);

drivers/acpi/acpica/nsrepair.c

@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -207,13 +207,30 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info,
 	 * this predefined name. Either one return value is expected, or none,
 	 * for both methods and other objects.
 	 *
-	 * Exit now if there is no return object. Warning if one was expected.
+	 * Try to fix if there was no return object. Warning if failed to fix.
 	 */
 	if (!return_object) {
 		if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) {
-			ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
-					      ACPI_WARN_ALWAYS,
-					      "Missing expected return value"));
+			if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
+				ACPI_WARN_PREDEFINED((AE_INFO,
+						      info->full_pathname,
+						      ACPI_WARN_ALWAYS,
+						      "Found unexpected NULL package element"));
+
+				status =
+				    acpi_ns_repair_null_element(info,
+								expected_btypes,
+								package_index,
+								return_object_ptr);
+				if (ACPI_SUCCESS(status)) {
+					return (AE_OK);	/* Repair was successful */
+				}
+			} else {
+				ACPI_WARN_PREDEFINED((AE_INFO,
+						      info->full_pathname,
+						      ACPI_WARN_ALWAYS,
+						      "Missing expected return value"));
+			}
 
 			return (AE_AML_NO_RETURN_VALUE);
 		}
@@ -448,7 +465,7 @@ acpi_ns_repair_null_element(struct acpi_evaluate_info * info,
  * RETURN:      None.
  *
  * DESCRIPTION: Remove all NULL package elements from packages that contain
- *              a variable number of sub-packages. For these types of
+ *              a variable number of subpackages. For these types of
  *              packages, NULL elements can be safely removed.
  *
  *****************************************************************************/
@@ -469,7 +486,7 @@ acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
 	/*
 	 * We can safely remove all NULL elements from these package types:
 	 * PTYPE1_VAR packages contain a variable number of simple data types.
-	 * PTYPE2 packages contain a variable number of sub-packages.
+	 * PTYPE2 packages contain a variable number of subpackages.
 	 */
 	switch (package_type) {
 	case ACPI_PTYPE1_VAR: