Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[linux-2.6-microblaze.git] / drivers / acpi / custom_method.c

diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index fd66a73..b097ef2 100644 (file)
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -9,6 +9,7 @@
 #include <linux/uaccess.h>
 #include <linux/debugfs.h>
 #include <linux/acpi.h>
+#include <linux/security.h>
 
 #include "internal.h"
 
@@ -29,6 +30,11 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
 
        struct acpi_table_header table;
        acpi_status status;
+       int ret;
+
+       ret = security_locked_down(LOCKDOWN_ACPI_TABLES);
+       if (ret)
+               return ret;
 
        if (!(*ppos)) {
                /* parse the table header to get the table length */