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drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()

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We should put the reference count of the fence after calling
virtio_gpu_cmd_submit(). So add the missing dma_fence_put().

Fixes: 2cd7b6f08b ("drm/virtio: add in/out fence support for explicit synchronization")
Co-developed-by: Xin He <hexin.op@bytedance.com>
Signed-off-by: Xin He <hexin.op@bytedance.com>
Signed-off-by: Qi Liu <liuqi.16@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200721101647.42653-1-hexin.op@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Qi Liu 2020-07-21 18:16:47 +08:00 committed by Gerd Hoffmann
parent b5ac98cbb8
commit 8b6ec999b1
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/virtio/virtgpu_ioctl.c
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@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
vfpriv->ctx_id, buflist, out_fence);
dma_fence_put(&out_fence->f);
virtio_gpu_notify(vgdev);
return 0;