Commit 87646a34 authored by Jason Wang's avatar Jason Wang Committed by David S. Miller

virtio_ring: allow to store zero as the ctx

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: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7a68ada6
......@@ -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
......
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