diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ioctl.c | 49 |
1 files changed, 18 insertions, 31 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index c046903cb47b..61f3a963af95 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -89,10 +89,16 @@ static void virtio_gpu_unref_list(struct list_head *head) } } -static int virtio_gpu_execbuffer(struct drm_device *dev, - struct drm_virtgpu_execbuffer *exbuf, +/* + * Usage of execbuffer: + * Relocations need to take into account the full VIRTIO_GPUDrawable size. + * However, the command as passed from user space must *not* contain the initial + * VIRTIO_GPUReleaseInfo struct (first XXX bytes) + */ +static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, struct drm_file *drm_file) { + struct drm_virtgpu_execbuffer *exbuf = data; struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_fpriv *vfpriv = drm_file->driver_priv; struct drm_gem_object *gobj; @@ -152,15 +158,10 @@ static int virtio_gpu_execbuffer(struct drm_device *dev, if (ret) goto out_free; - buf = kmalloc(exbuf->size, GFP_KERNEL); - if (!buf) { - ret = -ENOMEM; - goto out_unresv; - } - if (copy_from_user(buf, (void __user *)(uintptr_t)exbuf->command, - exbuf->size)) { - kfree(buf); - ret = -EFAULT; + buf = memdup_user((void __user *)(uintptr_t)exbuf->command, + exbuf->size); + if (IS_ERR(buf)) { + ret = PTR_ERR(buf); goto out_unresv; } virtio_gpu_cmd_submit(vgdev, buf, exbuf->size, @@ -171,7 +172,7 @@ static int virtio_gpu_execbuffer(struct drm_device *dev, /* fence the command bo */ virtio_gpu_unref_list(&validate_list); drm_free_large(buflist); - fence_put(&fence->f); + dma_fence_put(&fence->f); return 0; out_unresv: @@ -182,20 +183,6 @@ out_free: return ret; } -/* - * Usage of execbuffer: - * Relocations need to take into account the full VIRTIO_GPUDrawable size. - * However, the command as passed from user space must *not* contain the initial - * VIRTIO_GPUReleaseInfo struct (first XXX bytes) - */ -static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_virtgpu_execbuffer *execbuffer = data; - return virtio_gpu_execbuffer(dev, execbuffer, file_priv); -} - - static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -311,7 +298,7 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, drm_gem_object_release(obj); if (vgdev->has_virgl_3d) { virtio_gpu_unref_list(&validate_list); - fence_put(&fence->f); + dma_fence_put(&fence->f); } return ret; } @@ -322,13 +309,13 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, if (vgdev->has_virgl_3d) { virtio_gpu_unref_list(&validate_list); - fence_put(&fence->f); + dma_fence_put(&fence->f); } return 0; fail_unref: if (vgdev->has_virgl_3d) { virtio_gpu_unref_list(&validate_list); - fence_put(&fence->f); + dma_fence_put(&fence->f); } //fail_obj: // drm_gem_object_handle_unreference_unlocked(obj); @@ -396,7 +383,7 @@ static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev, reservation_object_add_excl_fence(qobj->tbo.resv, &fence->f); - fence_put(&fence->f); + dma_fence_put(&fence->f); out_unres: virtio_gpu_object_unreserve(qobj); out: @@ -444,7 +431,7 @@ static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data, args->level, &box, &fence); reservation_object_add_excl_fence(qobj->tbo.resv, &fence->f); - fence_put(&fence->f); + dma_fence_put(&fence->f); } out_unres: |