1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 67f0de6aed33..585fa04233c3 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -100,7 +100,7 @@ ccw_uevent (struct device *dev, char **envp, int num_envp,
         if ((buffer_size - length <= 0) || (i >= num_envp))
                 return -ENOMEM;
 
-        envp[i] = 0;
+        envp[i] = NULL;
 
         return 0;
 }
@@ -280,7 +280,7 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
          * 'throw away device'.
          */
         sch = to_subchannel(cdev->dev.parent);
-        device_unregister(&sch->dev);
+        css_sch_device_unregister(sch);
         /* Reset intparm to zeroes. */
         sch->schib.pmcw.intparm = 0;
         cio_modify(sch);
@@ -625,7 +625,7 @@ ccw_device_do_unreg_rereg(void *data)
                                         other_sch->schib.pmcw.intparm = 0;
                                         cio_modify(other_sch);
                                 }
-                                device_unregister(&other_sch->dev);
+                                css_sch_device_unregister(other_sch);
                         }
                 }
                 /* Update ssd info here. */
@@ -709,7 +709,7 @@ ccw_device_call_sch_unregister(void *data)
         struct subchannel *sch;
 
         sch = to_subchannel(cdev->dev.parent);
-        device_unregister(&sch->dev);
+        css_sch_device_unregister(sch);
         /* Reset intparm to zeroes. */
         sch->schib.pmcw.intparm = 0;
         cio_modify(sch);
@@ -1057,7 +1057,7 @@ get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id)
                                  __ccwdev_check_busid);
         put_driver(drv);
 
-        return dev ? to_ccwdev(dev) : 0;
+        return dev ? to_ccwdev(dev) : NULL;
 }
 
 /************************** device driver handling ************************/
@@ -1082,7 +1082,7 @@ ccw_device_probe (struct device *dev)
         ret = cdrv->probe ? cdrv->probe(cdev) : -ENODEV;
 
         if (ret) {
-                cdev->drv = 0;
+                cdev->drv = NULL;
                 return ret;
         }
 
@@ -1113,7 +1113,7 @@ ccw_device_remove (struct device *dev)
                                  ret, cdev->dev.bus_id);
         }
         ccw_device_set_timeout(cdev, 0);
-        cdev->drv = 0;
+        cdev->drv = NULL;
         return 0;
 }