diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index db529365..45f82c7 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -309,7 +309,7 @@
 		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;