[PATCH] sparse: NULL vs 0 - drivers/acpi/*

drivers/acpi/namespace/nsalloc.c

@@ -496,14 +496,14 @@ acpi_ns_delete_namespace_subtree (
 
 			/* Check if this node has any children */
 
-			if (acpi_ns_get_next_node (ACPI_TYPE_ANY, child_node, 0)) {
+			if (acpi_ns_get_next_node (ACPI_TYPE_ANY, child_node, NULL)) {
 				/*
 				 * There is at least one child of this node,
 				 * visit the node
 				 */
 				level++;
 				parent_node   = child_node;
-				child_node    = 0;
+				child_node    = NULL;
 			}
 		}
 		else {

drivers/acpi/namespace/nsload.c

@@ -352,7 +352,7 @@ acpi_ns_delete_subtree (
 
 
 	parent_handle = start_handle;
-	child_handle = 0;
+	child_handle = NULL;
 	level        = 1;
 
 	/*
@@ -373,14 +373,14 @@ acpi_ns_delete_subtree (
 			/* Check if this object has any children */
 
 			if (ACPI_SUCCESS (acpi_get_next_object (ACPI_TYPE_ANY, child_handle,
-					 0, &dummy))) {
+					 NULL, &dummy))) {
 				/*
 				 * There is at least one child of this object,
 				 * visit the object
 				 */
 				level++;
 				parent_handle = child_handle;
-				child_handle = 0;
+				child_handle = NULL;
 			}
 		}
 		else {

drivers/acpi/namespace/nswalk.c

@@ -183,7 +183,7 @@ acpi_ns_walk_namespace (
 	/* Null child means "get first node" */
 
 	parent_node = start_node;
-	child_node  = 0;
+	child_node  = NULL;
 	child_type  = ACPI_TYPE_ANY;
 	level       = 1;
 
@@ -258,14 +258,14 @@ acpi_ns_walk_namespace (
 			 * maximum depth has been reached.
 			 */
 			if ((level < max_depth) && (status != AE_CTRL_DEPTH)) {
-				if (acpi_ns_get_next_node (ACPI_TYPE_ANY, child_node, 0)) {
+				if (acpi_ns_get_next_node (ACPI_TYPE_ANY, child_node, NULL)) {
 					/*
 					 * There is at least one child of this
 					 * node, visit the onde
 					 */
 					level++;
 					parent_node   = child_node;
-					child_node    = 0;
+					child_node    = NULL;
 				}
 			}
 		}

drivers/acpi/scan.c

@@ -101,7 +101,7 @@ acpi_bus_get_power_flags (
 	struct acpi_device	*device)
 {
 	acpi_status             status = 0;
-	acpi_handle		handle = 0;
+	acpi_handle		handle = NULL;
 	u32                     i = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_bus_get_power_flags");
@@ -799,8 +799,8 @@ static int acpi_bus_scan (struct acpi_device	*start)
 	acpi_status		status = AE_OK;
 	struct acpi_device	*parent = NULL;
 	struct acpi_device	*child = NULL;
-	acpi_handle		phandle = 0;
-	acpi_handle		chandle = 0;
+	acpi_handle		phandle = NULL;
+	acpi_handle		chandle = NULL;
 	acpi_object_type	type = 0;
 	u32			level = 1;
 
@@ -843,7 +843,7 @@ static int acpi_bus_scan (struct acpi_device	*start)
 		if (type == ACPI_TYPE_LOCAL_SCOPE) {
 			level++;
 			phandle = chandle;
-			chandle = 0;
+			chandle = NULL;
 			continue;
 		}
 
@@ -883,11 +883,11 @@ static int acpi_bus_scan (struct acpi_device	*start)
 		 */
 		if (child->status.present) {
 			status = acpi_get_next_object(ACPI_TYPE_ANY, chandle,
-				0, NULL);
+						      NULL, NULL);
 			if (ACPI_SUCCESS(status)) {
 				level++;
 				phandle = chandle;
-				chandle = 0;
+				chandle = NULL;
 				parent = child;
 			}
 		}

drivers/acpi/system.c

@@ -92,7 +92,7 @@ acpi_system_read_dsdt (
 {
 	acpi_status		status = AE_OK;
 	struct acpi_buffer	dsdt = {ACPI_ALLOCATE_BUFFER, NULL};
-	void			*data = 0;
+	void			*data = NULL;
 	size_t			size = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
@@ -135,7 +135,7 @@ acpi_system_read_fadt (
 {
 	acpi_status		status = AE_OK;
 	struct acpi_buffer	fadt = {ACPI_ALLOCATE_BUFFER, NULL};
-	void			*data = 0;
+	void			*data = NULL;
 	size_t			size = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_system_read_fadt");

drivers/acpi/tables.c

@@ -286,7 +286,7 @@ acpi_get_table_header_early (
 			*header = (void *) __acpi_map_table(fadt->V1_dsdt,
 					sizeof(struct acpi_table_header));
 		} else
-			*header = 0;
+			*header = NULL;
 
 		if (!*header) {
 			printk(KERN_WARNING PREFIX "Unable to map DSDT\n");