Re: [PATCH 2/3] drm/virtio: honor blob_alignment requirements

From: Dmitry Osipenko

Date: Wed Nov 12 2025 - 21:34:50 EST


On 11/10/25 15:52, Sergio Lopez wrote:
> diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
> index ce49282198cb..06593496c53f 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_prime.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
> @@ -257,8 +257,11 @@ static int virtgpu_dma_buf_init_obj(struct drm_device *dev,
> params.blob_flags = VIRTGPU_BLOB_FLAG_USE_SHAREABLE;
> params.size = attach->dmabuf->size;
>
> - virtio_gpu_cmd_resource_create_blob(vgdev, bo, &params,
> - ents, nents);
> + ret = virtio_gpu_cmd_resource_create_blob(vgdev, bo, &params,
> + ents, nents);
> + if (ret)
> + goto err_import;

The error handling is incorrect, dma_buf_unmap_attachment() won't be
invoked when it should be.

--
Best regards,
Dmitry