Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7ed3ea8a authored by Kirti Wankhede's avatar Kirti Wankhede Committed by Alex Williamson
Browse files

vfio: Rearrange functions to get vfio_group from dev 



This patch rearranges functions to get vfio_group from device

Signed-off-by: default avatarKirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: default avatarNeo Jia <cjia@nvidia.com>
Reviewed-by: default avatarJike Song <jike.song@intel.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent fa3da00c

drivers/vfio/vfio.c

+16 −7
Original line number Diff line number Diff line
@@ -480,6 +480,21 @@ static struct vfio_group *vfio_group_get_from_minor(int minor) 
	return group;

}



static struct vfio_group *vfio_group_get_from_dev(struct device *dev)

{

	struct iommu_group *iommu_group;

	struct vfio_group *group;



	iommu_group = iommu_group_get(dev);

	if (!iommu_group)

		return NULL;



	group = vfio_group_get_from_iommu(iommu_group);

	iommu_group_put(iommu_group);



	return group;

}



/**

 * Device objects - create, release, get, put, search

 */
@@ -811,16 +826,10 @@ EXPORT_SYMBOL_GPL(vfio_add_group_dev); 
 */

struct vfio_device *vfio_device_get_from_dev(struct device *dev)

{

	struct iommu_group *iommu_group;

	struct vfio_group *group;

	struct vfio_device *device;



	iommu_group = iommu_group_get(dev);

	if (!iommu_group)

		return NULL;



	group = vfio_group_get_from_iommu(iommu_group);

	iommu_group_put(iommu_group);

	group = vfio_group_get_from_dev(dev);

	if (!group)

		return NULL;