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path: root/drivers/s390/cio
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Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/ccwgroup.c2
-rw-r--r--drivers/s390/cio/device.c8
2 files changed, 1 insertions, 9 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 4f1989d27b1f..5f1dc6fb5708 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -580,7 +580,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver)
struct device *dev;
/* We don't want ccwgroup devices to live longer than their driver. */
- get_driver(&cdriver->driver);
while ((dev = driver_find_device(&cdriver->driver, NULL, NULL,
__ccwgroup_match_all))) {
struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
@@ -592,7 +591,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver)
mutex_unlock(&gdev->reg_mutex);
put_device(dev);
}
- put_driver(&cdriver->driver);
driver_unregister(&cdriver->driver);
}
EXPORT_SYMBOL(ccwgroup_driver_unregister);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 47269858ecb6..02d015259461 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1676,15 +1676,9 @@ struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv,
const char *bus_id)
{
struct device *dev;
- struct device_driver *drv;
- drv = get_driver(&cdrv->driver);
- if (!drv)
- return NULL;
-
- dev = driver_find_device(drv, NULL, (void *)bus_id,
+ dev = driver_find_device(&cdrv->driver, NULL, (void *)bus_id,
__ccwdev_check_busid);
- put_driver(drv);
return dev ? to_ccwdev(dev) : NULL;
}