Merge branch 'linus' into stackprotector

Conflicts:
	arch/x86/kernel/Makefile
	include/asm-x86/pda.h

8 files changed, 98 insertions, 49 deletions

diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 5445751b8a3..0ab22004728 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -73,7 +73,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
 
 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
 {
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_NAME(ns_print_pathname);
 
@@ -515,12 +515,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 
 			if (obj_type > ACPI_TYPE_LOCAL_MAX) {
 				acpi_os_printf
-				    ("(Ptr to ACPI Object type %X [UNKNOWN])\n",
+				    ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
 				     obj_type);
 				bytes_to_dump = 32;
 			} else {
 				acpi_os_printf
-				    ("(Ptr to ACPI Object type %X [%s])\n",
+				    ("(Pointer to ACPI Object type %.2X [%s])\n",
 				     obj_type, acpi_ut_get_type_name(obj_type));
 				bytes_to_dump =
 				    sizeof(union acpi_operand_object);
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 14bdfa92bea..d369164e00b 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -138,6 +138,41 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 			return_ACPI_STATUS(AE_NULL_OBJECT);
 		}
 
+		/*
+		 * Calculate the number of arguments being passed to the method
+		 */
+
+		info->param_count = 0;
+		if (info->parameters) {
+			while (info->parameters[info->param_count])
+				info->param_count++;
+		}
+
+		/* Error if too few arguments were passed in */
+
+		if (info->param_count < info->obj_desc->method.param_count) {
+			ACPI_ERROR((AE_INFO,
+				    "Insufficient arguments - "
+				    "method [%4.4s] needs %d, found %d",
+				    acpi_ut_get_node_name(info->resolved_node),
+				    info->obj_desc->method.param_count,
+				    info->param_count));
+			return_ACPI_STATUS(AE_MISSING_ARGUMENTS);
+		}
+
+		/* Just a warning if too many arguments */
+
+		else if (info->param_count >
+				info->obj_desc->method.param_count) {
+			ACPI_WARNING((AE_INFO,
+				      "Excess arguments - "
+				      "method [%4.4s] needs %d, found %d",
+				      acpi_ut_get_node_name(info->
+							    resolved_node),
+				      info->obj_desc->method.param_count,
+				      info->param_count));
+		}
+
 		ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
 				   ACPI_LV_INFO, _COMPONENT);
 
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 6d6d930c8e1..e4c57510d79 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -542,7 +542,6 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
 	info->prefix_node = device_node;
 	info->pathname = METHOD_NAME__INI;
 	info->parameters = NULL;
-	info->parameter_type = ACPI_PARAM_ARGS;
 	info->flags = ACPI_IGNORE_RETURN_VALUE;
 
 	/*
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 2c92f6cf5ce..a4a412b7c02 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -71,8 +71,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
  ******************************************************************************/
 
 acpi_status
-acpi_ns_load_table(acpi_native_uint table_index,
-		   struct acpi_namespace_node *node)
+acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index cffef1bcbdb..bd577387800 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -56,13 +56,14 @@ ACPI_MODULE_NAME("nsnames")
  *              Size            - Size of the pathname
  *              *name_buffer    - Where to return the pathname
  *
- * RETURN:      Places the pathname into the name_buffer, in external format
+ * RETURN:      Status
+ *              Places the pathname into the name_buffer, in external format
  *              (name segments separated by path separators)
  *
  * DESCRIPTION: Generate a full pathaname
  *
  ******************************************************************************/
-void
+acpi_status
 acpi_ns_build_external_path(struct acpi_namespace_node *node,
 			    acpi_size size, char *name_buffer)
 {
@@ -77,7 +78,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 	if (index < ACPI_NAME_SIZE) {
 		name_buffer[0] = AML_ROOT_PREFIX;
 		name_buffer[1] = 0;
-		return;
+		return (AE_OK);
 	}
 
 	/* Store terminator byte, then build name backwards */
@@ -105,11 +106,13 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 
 	if (index != 0) {
 		ACPI_ERROR((AE_INFO,
-			    "Could not construct pathname; index=%X, size=%X, Path=%s",
+			    "Could not construct external pathname; index=%X, size=%X, Path=%s",
 			    (u32) index, (u32) size, &name_buffer[size]));
+
+		return (AE_BAD_PARAMETER);
 	}
 
-	return;
+	return (AE_OK);
 }
 
 #ifdef ACPI_DEBUG_OUTPUT
@@ -129,6 +132,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 
 char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 {
+	acpi_status status;
 	char *name_buffer;
 	acpi_size size;
 
@@ -137,6 +141,9 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 	/* Calculate required buffer size based on depth below root */
 
 	size = acpi_ns_get_pathname_length(node);
+	if (!size) {
+		return (NULL);
+	}
 
 	/* Allocate a buffer to be returned to caller */
 
@@ -148,7 +155,11 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	/* Build the path in the allocated buffer */
 
-	acpi_ns_build_external_path(node, size, name_buffer);
+	status = acpi_ns_build_external_path(node, size, name_buffer);
+	if (ACPI_FAILURE(status)) {
+		return (NULL);
+	}
+
 	return_PTR(name_buffer);
 }
 #endif
@@ -182,7 +193,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
 	while (next_node && (next_node != acpi_gbl_root_node)) {
 		if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) {
 			ACPI_ERROR((AE_INFO,
-				    "Invalid NS Node (%p) while traversing path",
+				    "Invalid Namespace Node (%p) while traversing namespace",
 				    next_node));
 			return 0;
 		}
@@ -229,6 +240,9 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
 	/* Determine size required for the caller buffer */
 
 	required_size = acpi_ns_get_pathname_length(node);
+	if (!required_size) {
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
 
 	/* Validate/Allocate/Clear caller buffer */
 
@@ -239,7 +253,11 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
 
 	/* Build the path in the caller buffer */
 
-	acpi_ns_build_external_path(node, required_size, buffer->pointer);
+	status =
+	    acpi_ns_build_external_path(node, required_size, buffer->pointer);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X]\n",
 			  (char *)buffer->pointer, (u32) required_size));
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 46a79b0103b..a82271a9dbb 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -63,13 +63,13 @@ ACPI_MODULE_NAME("nsparse")
  *
  ******************************************************************************/
 acpi_status
-acpi_ns_one_complete_parse(acpi_native_uint pass_number,
-			   acpi_native_uint table_index,
-			   struct acpi_namespace_node * start_node)
+acpi_ns_one_complete_parse(u32 pass_number,
+			   u32 table_index,
+			   struct acpi_namespace_node *start_node)
 {
 	union acpi_parse_object *parse_root;
 	acpi_status status;
-	acpi_native_uint aml_length;
+       u32 aml_length;
 	u8 *aml_start;
 	struct acpi_walk_state *walk_state;
 	struct acpi_table_header *table;
@@ -112,8 +112,8 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
 		aml_start = (u8 *) table + sizeof(struct acpi_table_header);
 		aml_length = table->length - sizeof(struct acpi_table_header);
 		status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
-					       aml_start, (u32) aml_length,
-					       NULL, (u8) pass_number);
+					       aml_start, aml_length, NULL,
+					       (u8) pass_number);
 	}
 
 	if (ACPI_FAILURE(status)) {
@@ -158,8 +158,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
  ******************************************************************************/
 
 acpi_status
-acpi_ns_parse_table(acpi_native_uint table_index,
-		    struct acpi_namespace_node *start_node)
+acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 64c039843ed..b0817e1127b 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -73,9 +73,9 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search);
  ******************************************************************************/
 
 void
-acpi_ns_report_error(char *module_name,
+acpi_ns_report_error(const char *module_name,
 		     u32 line_number,
-		     char *internal_name, acpi_status lookup_status)
+		     const char *internal_name, acpi_status lookup_status)
 {
 	acpi_status status;
 	u32 bad_name;
@@ -130,11 +130,11 @@ acpi_ns_report_error(char *module_name,
  ******************************************************************************/
 
 void
-acpi_ns_report_method_error(char *module_name,
+acpi_ns_report_method_error(const char *module_name,
 			    u32 line_number,
-			    char *message,
+			    const char *message,
 			    struct acpi_namespace_node *prefix_node,
-			    char *path, acpi_status method_status)
+			    const char *path, acpi_status method_status)
 {
 	acpi_status status;
 	struct acpi_namespace_node *node = prefix_node;
@@ -167,7 +167,8 @@ acpi_ns_report_method_error(char *module_name,
  ******************************************************************************/
 
 void
-acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message)
+acpi_ns_print_node_pathname(struct acpi_namespace_node *node,
+			    const char *message)
 {
 	struct acpi_buffer buffer;
 	acpi_status status;
@@ -296,7 +297,7 @@ u32 acpi_ns_local(acpi_object_type type)
 
 void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
 {
-	char *next_external_char;
+	const char *next_external_char;
 	u32 i;
 
 	ACPI_FUNCTION_ENTRY();
@@ -363,9 +364,9 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
 {
 	u32 num_segments = info->num_segments;
 	char *internal_name = info->internal_name;
-	char *external_name = info->next_external_char;
+	const char *external_name = info->next_external_char;
 	char *result = NULL;
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_TRACE(ns_build_internal_name);
 
@@ -400,12 +401,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
 			result = &internal_name[i];
 		} else if (num_segments == 2) {
 			internal_name[i] = AML_DUAL_NAME_PREFIX;
-			result = &internal_name[(acpi_native_uint) (i + 1)];
+			result = &internal_name[(acpi_size) i + 1];
 		} else {
 			internal_name[i] = AML_MULTI_NAME_PREFIX_OP;
-			internal_name[(acpi_native_uint) (i + 1)] =
-			    (char)num_segments;
-			result = &internal_name[(acpi_native_uint) (i + 2)];
+			internal_name[(acpi_size) i + 1] = (char)num_segments;
+			result = &internal_name[(acpi_size) i + 2];
 		}
 	}
 
@@ -472,7 +472,8 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
  *
  *******************************************************************************/
 
-acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
+acpi_status
+acpi_ns_internalize_name(const char *external_name, char **converted_name)
 {
 	char *internal_name;
 	struct acpi_namestring_info info;
@@ -528,15 +529,15 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
 
 acpi_status
 acpi_ns_externalize_name(u32 internal_name_length,
-			 char *internal_name,
+			 const char *internal_name,
 			 u32 * converted_name_length, char **converted_name)
 {
-	acpi_native_uint names_index = 0;
-	acpi_native_uint num_segments = 0;
-	acpi_native_uint required_length;
-	acpi_native_uint prefix_length = 0;
-	acpi_native_uint i = 0;
-	acpi_native_uint j = 0;
+	u32 names_index = 0;
+	u32 num_segments = 0;
+	u32 required_length;
+	u32 prefix_length = 0;
+	u32 i = 0;
+	u32 j = 0;
 
 	ACPI_FUNCTION_TRACE(ns_externalize_name);
 
@@ -582,9 +583,8 @@ acpi_ns_externalize_name(u32 internal_name_length,
 			/* <count> 4-byte names */
 
 			names_index = prefix_length + 2;
-			num_segments = (acpi_native_uint) (u8)
-			    internal_name[(acpi_native_uint)
-					  (prefix_length + 1)];
+			num_segments = (u8)
+			    internal_name[(acpi_size) prefix_length + 1];
 			break;
 
 		case AML_DUAL_NAME_PREFIX:
@@ -823,7 +823,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
 
 acpi_status
 acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
-		 char *pathname,
+		 const char *pathname,
 		 u32 flags, struct acpi_namespace_node **return_node)
 {
 	union acpi_generic_state scope_info;
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index a8d549187c8..38be5865d95 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -182,7 +182,6 @@ acpi_evaluate_object(acpi_handle handle,
 	}
 
 	info->pathname = pathname;
-	info->parameter_type = ACPI_PARAM_ARGS;
 
 	/* Convert and validate the device handle */
 
@@ -442,7 +441,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
 	u32 flags;
 	struct acpica_device_id hid;
 	struct acpi_compatible_id_list *cid;
-	acpi_native_uint i;
+	u32 i;
 	int found;
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);