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Subject[RFC PATCH v2 02/19] virtio-vdpa: don't set callback if virtio doesn't need it
Date
There's no need for setting callbacks for the driver that doesn't care
about that.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Gautam Dawar <gdawar@xilinx.com>
---
drivers/virtio/virtio_vdpa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index 7767a7f0119b..bc74ba5fa717 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -184,7 +184,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index,
}

/* Setup virtqueue callback */
- cb.callback = virtio_vdpa_virtqueue_cb;
+ cb.callback = callback ? virtio_vdpa_virtqueue_cb : NULL;
cb.private = info;
ops->set_vq_cb(vdpa, index, &cb);
ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq));
--
2.25.0
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