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authorChristoph Hellwig <hch@lst.de>2022-09-23 11:26:47 +0200
committerAlex Williamson <alex.williamson@redhat.com>2022-10-04 12:06:58 -0600
commitc7c1f38f6cba7e3249866c06639ea62755f0a24e (patch)
tree4266150081c8535a130ab2ec68ccac5bc9532cdb /drivers/s390
parent062e720cd209d8091c4f3d118d93973f02209aca (diff)
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vfio/mdev: remove mtype_get_parent_dev
Just open code the dereferences in the only user. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Link: https://lore.kernel.org/r/20220923092652.100656-10-hch@lst.de Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/vfio_ccw_ops.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
index c37e712a4b06..3db6251b3114 100644
--- a/drivers/s390/cio/vfio_ccw_ops.c
+++ b/drivers/s390/cio/vfio_ccw_ops.c
@@ -62,8 +62,7 @@ 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));
}