[S390] tape: cleanup reference counting
Rename tape_get_device to tape_find_device and tape_get_device_reference
to tape_get_device. The old names didn't make too much sense.
Follow the get_device()/put_device() semantic and convert tape_put_device
to a void function.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 2fe45ff..3657fe1 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -113,16 +113,16 @@
{
struct tape_34xx_work *p =
container_of(work, struct tape_34xx_work, work);
+ struct tape_device *device = p->device;
switch(p->op) {
case TO_MSEN:
- tape_34xx_medium_sense(p->device);
+ tape_34xx_medium_sense(device);
break;
default:
DBF_EVENT(3, "T34XX: internal error: unknown work\n");
}
-
- p->device = tape_put_device(p->device);
+ tape_put_device(device);
kfree(p);
}
@@ -136,7 +136,7 @@
INIT_WORK(&p->work, tape_34xx_work_handler);
- p->device = tape_get_device_reference(device);
+ p->device = tape_get_device(device);
p->op = op;
schedule_work(&p->work);