diff options
| author |   Kirti Wankhede <kwankhede@nvidia.com> | 2016-11-17 02:16:15 +0530 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2016-11-17 08:24:52 -0700 |
| commit | 7ed3ea8a71187a4569eb65f647ea4af0cdb9a856 (patch) | |
| tree | cbf6f007984098469e7aa5e5ec1184187bf63921 /drivers/vfio | |
| parent | vfio: VFIO based driver for Mediated devices (diff) | |
| download | linux-dev-7ed3ea8a71187a4569eb65f647ea4af0cdb9a856.tar.xz linux-dev-7ed3ea8a71187a4569eb65f647ea4af0cdb9a856.zip | |
vfio: Rearrange functions to get vfio_group from dev
This patch rearranges functions to get vfio_group from device
Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Neo Jia <cjia@nvidia.com>
Reviewed-by: Jike Song <jike.song@intel.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/vfio.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index d1d70e0b011b..23bc86c1d05d 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -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; |