diff options
Diffstat (limited to 'drivers/s390/char/vmur.c')
| -rw-r--r-- | drivers/s390/char/vmur.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 04aceb694d51..52aa89424318 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for System z and s390 unit record devices * (z/VM virtual punch, reader, printer) @@ -110,7 +111,7 @@ static struct urdev *urdev_alloc(struct ccw_device *cdev) mutex_init(&urd->io_mutex); init_waitqueue_head(&urd->wait); spin_lock_init(&urd->open_lock); - atomic_set(&urd->ref_count, 1); + refcount_set(&urd->ref_count, 1); urd->cdev = cdev; get_device(&cdev->dev); return urd; @@ -126,7 +127,7 @@ static void urdev_free(struct urdev *urd) static void urdev_get(struct urdev *urd) { - atomic_inc(&urd->ref_count); + refcount_inc(&urd->ref_count); } static struct urdev *urdev_get_from_cdev(struct ccw_device *cdev) @@ -159,7 +160,7 @@ static struct urdev *urdev_get_from_devno(u16 devno) static void urdev_put(struct urdev *urd) { - if (atomic_dec_and_test(&urd->ref_count)) + if (refcount_dec_and_test(&urd->ref_count)) urdev_free(urd); } @@ -892,10 +893,9 @@ static int ur_set_online(struct ccw_device *cdev) } urd->char_device->ops = &ur_fops; - urd->char_device->dev = MKDEV(major, minor); urd->char_device->owner = ur_fops.owner; - rc = cdev_add(urd->char_device, urd->char_device->dev, 1); + rc = cdev_add(urd->char_device, MKDEV(major, minor), 1); if (rc) goto fail_free_cdev; if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) { @@ -946,7 +946,7 @@ static int ur_set_offline_force(struct ccw_device *cdev, int force) rc = -EBUSY; goto fail_urdev_put; } - if (!force && (atomic_read(&urd->ref_count) > 2)) { + if (!force && (refcount_read(&urd->ref_count) > 2)) { /* There is still a user of urd (e.g. ur_open) */ TRACE("ur_set_offline: BUSY\n"); rc = -EBUSY; |