diff options
Diffstat (limited to 'drivers/vfio/vfio_main.c')
| -rw-r--r-- | drivers/vfio/vfio_main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 9f830d0a25b7..911ee1abdff0 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -1552,8 +1552,9 @@ static const struct file_operations vfio_device_fops = { * vfio_file_iommu_group - Return the struct iommu_group for the vfio group file * @file: VFIO group file * - * The returned iommu_group is valid as long as a ref is held on the file. - * This function is deprecated, only the SPAPR path in kvm should call it. + * The returned iommu_group is valid as long as a ref is held on the file. This + * returns a reference on the group. This function is deprecated, only the SPAPR + * path in kvm should call it. */ struct iommu_group *vfio_file_iommu_group(struct file *file) { @@ -1564,6 +1565,7 @@ struct iommu_group *vfio_file_iommu_group(struct file *file) if (!vfio_file_is_group(file)) return NULL; + iommu_group_ref_get(group->iommu_group); return group->iommu_group; } EXPORT_SYMBOL_GPL(vfio_file_iommu_group); |