diff options
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_dmabuf.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/vfio/pci/vfio_pci_dmabuf.c b/drivers/vfio/pci/vfio_pci_dmabuf.c index d7712d68ff2b..3a803923141b 100644 --- a/drivers/vfio/pci/vfio_pci_dmabuf.c +++ b/drivers/vfio/pci/vfio_pci_dmabuf.c @@ -22,16 +22,6 @@ struct vfio_pci_dma_buf { u8 revoked : 1; }; -static int vfio_pci_dma_buf_pin(struct dma_buf_attachment *attachment) -{ - return -EOPNOTSUPP; -} - -static void vfio_pci_dma_buf_unpin(struct dma_buf_attachment *attachment) -{ - /* Do nothing */ -} - static int vfio_pci_dma_buf_attach(struct dma_buf *dmabuf, struct dma_buf_attachment *attachment) { @@ -43,6 +33,9 @@ static int vfio_pci_dma_buf_attach(struct dma_buf *dmabuf, if (priv->revoked) return -ENODEV; + if (!dma_buf_attach_revocable(attachment)) + return -EOPNOTSUPP; + return 0; } @@ -107,8 +100,6 @@ static void vfio_pci_dma_buf_release(struct dma_buf *dmabuf) } static const struct dma_buf_ops vfio_pci_dmabuf_ops = { - .pin = vfio_pci_dma_buf_pin, - .unpin = vfio_pci_dma_buf_unpin, .attach = vfio_pci_dma_buf_attach, .map_dma_buf = vfio_pci_dma_buf_map, .unmap_dma_buf = vfio_pci_dma_buf_unmap, |