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authorMax Gurtovoy <mgurtovoy@nvidia.com>2021-08-05 22:18:59 -0300
committerAlex Williamson <alex.williamson@redhat.com>2021-08-11 09:50:10 -0600
commitae03c3771b8cbbed3802ad1153d896c32015c520 (patch)
tree88b17c4754f6823d47dc2516ba43f8ff2ba38506 /samples/vfio-mdev/mbochs.c
parentde5494af4815a4c9328536c72741229b7de88e7f (diff)
vfio: Introduce a vfio_uninit_group_dev() API call
This pairs with vfio_init_group_dev() and allows undoing any state that is stored in the vfio_device unrelated to registration. Add appropriately placed calls to all the drivers. The following patch will use this to add pre-registration state for the device set. Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/3-v4-9ea22c5e6afb+1adf-vfio_reflck_jgg@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'samples/vfio-mdev/mbochs.c')
-rw-r--r--samples/vfio-mdev/mbochs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index 3e885be7d076..0f1511849b7c 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -559,6 +559,7 @@ static int mbochs_probe(struct mdev_device *mdev)
dev_set_drvdata(&mdev->dev, mdev_state);
return 0;
err_mem:
+ vfio_uninit_group_dev(&mdev_state->vdev);
kfree(mdev_state->pages);
kfree(mdev_state->vconfig);
kfree(mdev_state);
@@ -572,6 +573,7 @@ static void mbochs_remove(struct mdev_device *mdev)
struct mdev_state *mdev_state = dev_get_drvdata(&mdev->dev);
vfio_unregister_group_dev(&mdev_state->vdev);
+ vfio_uninit_group_dev(&mdev_state->vdev);
atomic_add(mdev_state->type->mbytes, &mbochs_avail_mbytes);
kfree(mdev_state->pages);
kfree(mdev_state->vconfig);