[PATCH 08/13] vfio/mdev: remove mtype_get_parent_dev
Jason J. Herne
jjherne at linux.ibm.com
Thu Jun 30 16:24:01 UTC 2022
On 6/28/22 01:14, Christoph Hellwig wrote:
> Just open code the dereferences in the only user.
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
> Reviewed-by: Kevin Tian <kevin.tian at intel.com>
> Reviewed-by: Kirti Wankhede <kwankhede at nvidia.com>
> ---
> drivers/s390/cio/vfio_ccw_ops.c | 3 +--
> drivers/vfio/mdev/mdev_core.c | 10 ----------
> include/linux/mdev.h | 2 --
> 3 files changed, 1 insertion(+), 14 deletions(-)
>
> diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
> index 25b8d42a522ac..43d53736dfe3c 100644
> --- a/drivers/s390/cio/vfio_ccw_ops.c
> +++ b/drivers/s390/cio/vfio_ccw_ops.c
> @@ -88,8 +88,7 @@ static ssize_t available_instances_show(struct mdev_type *mtype,
> struct mdev_type_attribute *attr,
> char *buf)
> {
> - struct vfio_ccw_private *private =
> - dev_get_drvdata(mtype_get_parent_dev(mtype));
> + struct vfio_ccw_private *private = dev_get_drvdata(mtype->parent->dev);
>
> return sprintf(buf, "%d\n", atomic_read(&private->avail));
Reviewed-by: Jason J. Herne <jjherne at linux.ibm.com>
--
-- Jason J. Herne (jjherne at linux.ibm.com)
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