ACPI: root-only read protection on /sys/firmware/acpi/tables/*

they were world readable.

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 0944dae..9c61ab2 100644 (file)
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -121,7 +121,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
        table_attr->attr.size = 0;
        table_attr->attr.read = acpi_table_show;
        table_attr->attr.attr.name = table_attr->name;
-       table_attr->attr.attr.mode = 0444;
+       table_attr->attr.attr.mode = 0400;
 
        return;
 }