1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e50b12163af..df14c51f653 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -127,7 +127,7 @@ static int ccw_uevent(struct device *dev, struct kobj_uevent_env *env)
         return ret;
 }
 
-struct bus_type ccw_bus_type;
+static struct bus_type ccw_bus_type;
 
 static void io_subchannel_irq(struct subchannel *);
 static int io_subchannel_probe(struct subchannel *);
@@ -547,7 +547,7 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
         if (atomic_cmpxchg(&cdev->private->onoff, 0, 1) != 0)
                 return -EAGAIN;
 
-        if (cdev->drv && !try_module_get(cdev->drv->owner)) {
+        if (cdev->drv && !try_module_get(cdev->drv->driver.owner)) {
                 atomic_set(&cdev->private->onoff, 0);
                 return -EINVAL;
         }
@@ -573,7 +573,7 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
         }
 out:
         if (cdev->drv)
-                module_put(cdev->drv->owner);
+                module_put(cdev->drv->driver.owner);
         atomic_set(&cdev->private->onoff, 0);
         return (ret < 0) ? ret : count;
 }
@@ -1970,7 +1970,7 @@ static const struct dev_pm_ops ccw_pm_ops = {
         .restore = ccw_device_pm_restore,
 };
 
-struct bus_type ccw_bus_type = {
+static struct bus_type ccw_bus_type = {
         .name   = "ccw",
         .match  = ccw_bus_match,
         .uevent = ccw_uevent,
@@ -1993,8 +1993,6 @@ int ccw_driver_register(struct ccw_driver *cdriver)
         struct device_driver *drv = &cdriver->driver;
 
         drv->bus = &ccw_bus_type;
-        drv->name = cdriver->name;
-        drv->owner = cdriver->owner;
 
         return driver_register(drv);
 }
@@ -2112,5 +2110,4 @@ EXPORT_SYMBOL(ccw_device_set_offline);
 EXPORT_SYMBOL(ccw_driver_register);
 EXPORT_SYMBOL(ccw_driver_unregister);
 EXPORT_SYMBOL(get_ccwdev_by_busid);
-EXPORT_SYMBOL(ccw_bus_type);
 EXPORT_SYMBOL_GPL(ccw_device_get_subchannel_id);