diff options
Diffstat (limited to 'drivers/s390/cio/vfio_ccw_ops.c')
| -rw-r--r-- | drivers/s390/cio/vfio_ccw_ops.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index b2e6154..55d0c87 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -19,9 +19,6 @@ static int vfio_ccw_mdev_reset(struct mdev_device *mdev) int ret; private = dev_get_drvdata(mdev_parent_dev(mdev)); - if (!private) - return -ENODEV; - sch = private->sch; /* * TODO: @@ -49,9 +46,6 @@ static int vfio_ccw_mdev_notifier(struct notifier_block *nb, struct vfio_ccw_private *private = container_of(nb, struct vfio_ccw_private, nb); - if (!private) - return NOTIFY_STOP; - /* * Vendor drivers MUST unpin pages in response to an * invalidation. @@ -134,9 +128,6 @@ static int vfio_ccw_mdev_remove(struct mdev_device *mdev) dev_get_drvdata(mdev_parent_dev(mdev)); int ret; - if (!private) - goto out; - if ((private->state == VFIO_CCW_STATE_NOT_OPER) || (private->state == VFIO_CCW_STATE_STANDBY)) goto out; @@ -187,9 +178,6 @@ static ssize_t vfio_ccw_mdev_read(struct mdev_device *mdev, return -EINVAL; private = dev_get_drvdata(mdev_parent_dev(mdev)); - if (!private) - return -ENODEV; - region = &private->io_region; if (copy_to_user(buf, (void *)region + *ppos, count)) return -EFAULT; @@ -209,8 +197,6 @@ static ssize_t vfio_ccw_mdev_write(struct mdev_device *mdev, return -EINVAL; private = dev_get_drvdata(mdev_parent_dev(mdev)); - if (!private) - return -ENODEV; if (private->state != VFIO_CCW_STATE_IDLE) return -EACCES; @@ -274,9 +260,6 @@ static int vfio_ccw_mdev_set_irqs(struct mdev_device *mdev, return -EINVAL; private = dev_get_drvdata(mdev_parent_dev(mdev)); - if (!private) - return -ENODEV; - ctx = &private->io_trigger; switch (flags & VFIO_IRQ_SET_DATA_TYPE_MASK) { |
