]> Pileus Git - ~andy/linux/blobdiff - drivers/acpi/sysfs.c
Merge branches 'acpi-processor', 'acpi-hotplug', 'acpi-init', 'acpi-pm' and 'acpica'
[~andy/linux] / drivers / acpi / sysfs.c
index ba07d9a927ab3bd2137a19db38809f092677b3f8..91a32cefb11f6098fbea62d9744ed61ed864c4a9 100644 (file)
@@ -226,7 +226,7 @@ module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
 /* /sys/modules/acpi/parameters/aml_debug_output */
 
 module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
-                  bool, 0644);
+                  byte, 0644);
 MODULE_PARM_DESC(aml_debug_output,
                 "To enable/disable the ACPI Debug Object output.");
 
@@ -309,7 +309,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
                sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
                        table_attr->instance);
 
-       table_attr->attr.size = 0;
+       table_attr->attr.size = table_header->length;
        table_attr->attr.read = acpi_table_show;
        table_attr->attr.attr.name = table_attr->name;
        table_attr->attr.attr.mode = 0400;
@@ -354,8 +354,9 @@ static int acpi_tables_sysfs_init(void)
 {
        struct acpi_table_attr *table_attr;
        struct acpi_table_header *table_header = NULL;
-       int table_index = 0;
-       int result;
+       int table_index;
+       acpi_status status;
+       int ret;
 
        tables_kobj = kobject_create_and_add("tables", acpi_kobj);
        if (!tables_kobj)
@@ -365,33 +366,34 @@ static int acpi_tables_sysfs_init(void)
        if (!dynamic_tables_kobj)
                goto err_dynamic_tables;
 
-       do {
-               result = acpi_get_table_by_index(table_index, &table_header);
-               if (!result) {
-                       table_index++;
-                       table_attr = NULL;
-                       table_attr =
-                           kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
-                       if (!table_attr)
-                               return -ENOMEM;
-
-                       acpi_table_attr_init(table_attr, table_header);
-                       result =
-                           sysfs_create_bin_file(tables_kobj,
-                                                 &table_attr->attr);
-                       if (result) {
-                               kfree(table_attr);
-                               return result;
-                       } else
-                               list_add_tail(&table_attr->node,
-                                             &acpi_table_attr_list);
+       for (table_index = 0;; table_index++) {
+               status = acpi_get_table_by_index(table_index, &table_header);
+
+               if (status == AE_BAD_PARAMETER)
+                       break;
+
+               if (ACPI_FAILURE(status))
+                       continue;
+
+               table_attr = NULL;
+               table_attr = kzalloc(sizeof(*table_attr), GFP_KERNEL);
+               if (!table_attr)
+                       return -ENOMEM;
+
+               acpi_table_attr_init(table_attr, table_header);
+               ret = sysfs_create_bin_file(tables_kobj, &table_attr->attr);
+               if (ret) {
+                       kfree(table_attr);
+                       return ret;
                }
-       } while (!result);
+               list_add_tail(&table_attr->node, &acpi_table_attr_list);
+       }
+
        kobject_uevent(tables_kobj, KOBJ_ADD);
        kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
-       result = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
+       status = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
 
-       return result == AE_OK ? 0 : -EINVAL;
+       return ACPI_FAILURE(status) ? -EINVAL : 0;
 err_dynamic_tables:
        kobject_put(tables_kobj);
 err: