[S390] Fix sparse warnings.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 9db09870b2ae..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;
 }
@@ -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;
 }