From 4bab30a041a2f27807b0b2a7fd36c8c8695c90c8 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Mon, 14 Dec 2009 11:24:18 +0800
Subject: [PATCH] ACPI: add kernel tainting after overriding an ACPI control
 method

Add kernel tainting after overriding an ACPI control method successfully.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 0bedd1554f2f..cc421b7ae166 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -239,6 +239,7 @@ static ssize_t cm_write(struct file *file, const char __user *user_buf,
 		kfree(buf);
 		if (ACPI_FAILURE(status))
 			return -EINVAL;
+		add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
 	}
 
 	return count;