xen: Populate xenbus device attributes

The xenbus bus type uses device_create_file to assign all used device
attributes. However it does not remove them when the device goes away.

This patch uses the dev_attrs field of the bus type to specify default
attributes for all devices.

Signed-off-by: Bastian Blank <waldi@debian.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
index 6cf467bf63ec..ec510e562820 100644
--- a/drivers/xen/xenbus/xenbus_probe_backend.c
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c
@@ -183,10 +183,6 @@ static void frontend_changed(struct xenbus_watch *watch,
         xenbus_otherend_changed(watch, vec, len, 0);
 }
 
-static struct device_attribute xenbus_backend_dev_attrs[] = {
-        __ATTR_NULL
-};
-
 static struct xen_bus_type xenbus_backend = {
         .root = "backend",
         .levels = 3,            /* backend/type/<frontend>/<id> */
@@ -200,7 +196,7 @@ static struct xen_bus_type xenbus_backend = {
                 .probe          = xenbus_dev_probe,
                 .remove         = xenbus_dev_remove,
                 .shutdown       = xenbus_dev_shutdown,
-                .dev_attrs      = xenbus_backend_dev_attrs,
+                .dev_attrs      = xenbus_dev_attrs,
         },
 };