diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2021-03-30 09:53:06 -0600 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2021-04-06 11:55:10 -0600 |
| commit | 0ca78666fa06cf2a7d068a593428dc4039706e00 (patch) | |
| tree | 481c2800facae51354cdbed2fd23dfb6933de0d4 /drivers/vfio | |
| parent | 2b1fe162e584a88ec7f12a651a2a50f94dd8cfac (diff) | |
| download | linux-stable-0ca78666fa06cf2a7d068a593428dc4039706e00.tar.gz linux-stable-0ca78666fa06cf2a7d068a593428dc4039706e00.tar.bz2 linux-stable-0ca78666fa06cf2a7d068a593428dc4039706e00.zip | |
vfio/fsl-mc: Use vfio_init/register/unregister_group_dev
fsl-mc already allocates a struct vfio_fsl_mc_device with exactly the same
lifetime as vfio_device, switch to the new API and embed vfio_device in
vfio_fsl_mc_device. While here remove the devm usage for the vdev, this
code is clean and doesn't need devm.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <6-v3-225de1400dfc+4e074-vfio1_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc.c | 20 | ||||
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc_private.h | 1 |
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc.c b/drivers/vfio/fsl-mc/vfio_fsl_mc.c index 8722f5effacd..ad6c6feeeb4b 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc.c @@ -616,24 +616,25 @@ static int vfio_fsl_mc_probe(struct fsl_mc_device *mc_dev) return -EINVAL; } - vdev = devm_kzalloc(dev, sizeof(*vdev), GFP_KERNEL); + vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { ret = -ENOMEM; goto out_group_put; } + vfio_init_group_dev(&vdev->vdev, dev, &vfio_fsl_mc_ops, vdev); vdev->mc_dev = mc_dev; mutex_init(&vdev->igate); ret = vfio_fsl_mc_reflck_attach(vdev); if (ret) - goto out_group_put; + goto out_kfree; ret = vfio_fsl_mc_init_device(vdev); if (ret) goto out_reflck; - ret = vfio_add_group_dev(dev, &vfio_fsl_mc_ops, vdev); + ret = vfio_register_group_dev(&vdev->vdev); if (ret) { dev_err(dev, "VFIO_FSL_MC: Failed to add to vfio group\n"); goto out_device; @@ -648,14 +649,17 @@ static int vfio_fsl_mc_probe(struct fsl_mc_device *mc_dev) ret = vfio_fsl_mc_scan_container(mc_dev); if (ret) goto out_group_dev; + dev_set_drvdata(dev, vdev); return 0; out_group_dev: - vfio_del_group_dev(dev); + vfio_unregister_group_dev(&vdev->vdev); out_device: vfio_fsl_uninit_device(vdev); out_reflck: vfio_fsl_mc_reflck_put(vdev->reflck); +out_kfree: + kfree(vdev); out_group_put: vfio_iommu_group_put(group, dev); return ret; @@ -663,19 +667,17 @@ out_group_put: static int vfio_fsl_mc_remove(struct fsl_mc_device *mc_dev) { - struct vfio_fsl_mc_device *vdev; struct device *dev = &mc_dev->dev; + struct vfio_fsl_mc_device *vdev = dev_get_drvdata(dev); - vdev = vfio_del_group_dev(dev); - if (!vdev) - return -EINVAL; - + vfio_unregister_group_dev(&vdev->vdev); mutex_destroy(&vdev->igate); dprc_remove_devices(mc_dev, NULL, 0); vfio_fsl_uninit_device(vdev); vfio_fsl_mc_reflck_put(vdev->reflck); + kfree(vdev); vfio_iommu_group_put(mc_dev->dev.iommu_group, dev); return 0; diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h index a97ee691ed47..89700e00e77d 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h @@ -36,6 +36,7 @@ struct vfio_fsl_mc_region { }; struct vfio_fsl_mc_device { + struct vfio_device vdev; struct fsl_mc_device *mc_dev; struct notifier_block nb; int refcnt; |