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>

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 0bedd15..cc421b7 100644 (file)
--- 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;