Re: [PATCH] virtio_balloon: check virtqueue_add_outbuf() return value

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On Fri, May 27, 2022 at 10:43:30AM +0000, Bo Liu (刘波)-浪潮信息 wrote:
> The purpose of this patch is, virtqueue_add_outbuf() adding data to
> virtqueue may succeed or fail. If successful, it will call virtqueue_kick()
> to notifie the host backend driver, but if the virtqueue_add_outbuf() fails,
> the data is not successfully added to the virtqueue, and the host back-end
> driver does not need to be notified for processing.
> 
> Thanks.

Why is it a problem if we do?

-- 
MST

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