diff options
| author | Sebastian Ott | 2012-01-24 19:35:02 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2012-01-25 01:00:35 +0100 |
| commit | 9f30ea950edfaefa51221dd26a065b3442599778 (patch) | |
| tree | 32c4321c5dfbaa946c485983dcbdcb82fdaea0d5 /drivers/s390/cio | |
| parent | Dynamic ID addition doesn't need get_driver() (diff) | |
| download | kernel-qcow2-linux-9f30ea950edfaefa51221dd26a065b3442599778.tar.gz kernel-qcow2-linux-9f30ea950edfaefa51221dd26a065b3442599778.tar.xz kernel-qcow2-linux-9f30ea950edfaefa51221dd26a065b3442599778.zip | |
cio: remove {get,put}_driver
Remove useless {get,put}_driver - the caller of the functions
has to ensure valid driver pointers.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/s390/cio')
| -rw-r--r-- | drivers/s390/cio/ccwgroup.c | 2 | ||||
| -rw-r--r-- | drivers/s390/cio/device.c | 8 |
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; } |