greybus: quick fix for sysfs serial number

Let the serial number attribute have its own is_visible function.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/sysfs.c b/drivers/staging/greybus/sysfs.c
index b503d2c4ef2801a5163f09e38cda220783eb6da2..792a2381c289bd6f464b99b5c5a8be710cf0a6aa 100644 (file)
--- a/drivers/staging/greybus/sysfs.c
+++ b/drivers/staging/greybus/sysfs.c
@@ -156,9 +156,15 @@ static struct attribute *serial_number_attrs[] = {
        NULL,
 };
 
+static umode_t serial_number_is_visible(struct kobject *kobj,
+                                       struct attribute *a, int n)
+{
+       return a->mode;
+}
+
 static struct attribute_group serial_number_attr_grp = {
        .attrs =        serial_number_attrs,
-       .is_visible =   function_attrs_are_visible,
+       .is_visible =   serial_number_is_visible,
 };