Michael S. Tsirkin
2022-May-27 10:57 UTC
[PATCH] virtio_balloon: check virtqueue_add_outbuf() return value
On Fri, May 27, 2022 at 10:43:30AM +0000, Bo Liu (??)-???? 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