[dpdk-dev] [RFC 28/29] vhost: make the code more readable
Tiwei Bie
tiwei.bie at intel.com
Wed Jun 21 04:58:04 CEST 2017
Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
---
lib/librte_vhost/virtio_net.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 2d111a3..8344bcb 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1264,10 +1264,10 @@ vhost_dequeue_burst_1_1(struct virtio_net *dev, struct vhost_virtqueue *vq,
vq->last_used_idx = desc_idx;
if (likely(i)) {
- for (desc_idx = 1;
- desc_idx < (uint16_t)(vq->last_used_idx - head_idx);
+ for (desc_idx = head_idx + 1;
+ desc_idx != vq->last_used_idx;
desc_idx++) {
- desc[(desc_idx + head_idx) & (vq->size - 1)].flags = 0;
+ desc[desc_idx & (vq->size - 1)].flags = 0;
}
rte_smp_wmb();
desc[head_idx & (vq->size - 1)].flags = 0;
--
2.7.4
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