acer-wmi: set permissions on interface file to S_IRUGO

The interface file is not writable, thus set permissions to S_IRUGO.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 56e6f10..aacd060 100644 (file)
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1084,8 +1084,7 @@ static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
        }
 }
 
-static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR,
-       show_interface, NULL);
+static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL);
 
 /*
  * debugfs functions