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Groups > linux.kernel > #1691129
| From | Jason Wang <jasowang@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net-next V2 1/5] virtio_ring: allow to store zero as the ctx |
| Date | 2017-07-19 11:00 +0200 |
| Message-ID | <u4SZP-68j-9@gated-at.bofh.it> (permalink) |
| References | <u4SZP-68j-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Allow zero to be store as a ctx, with this we could store e.g zero value which could be meaningful for the case of storing headroom through ctx. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/virtio/virtio_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5e1b548..9aaa177 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -391,7 +391,7 @@ static inline int virtqueue_add(struct virtqueue *_vq, vq->desc_state[head].data = data; if (indirect) vq->desc_state[head].indir_desc = desc; - if (ctx) + else vq->desc_state[head].indir_desc = ctx; /* Put entry in available array (but don't update avail->idx until they -- 2.7.4
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[PATCH net-next V2 1/5] virtio_ring: allow to store zero as the ctx Jason Wang <jasowang@redhat.com> - 2017-07-19 11:00 +0200
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