[dpdk-dev] [PATCH v2 18/24] virtio: Fix descriptor index issue
Ouyang Changchun
changchun.ouyang at intel.com
Tue Jan 27 03:35:58 CET 2015
It should use vring descriptor index instead of used_ring index to index vq_descx.
Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
---
lib/librte_pmd_virtio/virtio_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_pmd_virtio/virtio_rxtx.c b/lib/librte_pmd_virtio/virtio_rxtx.c
index 580701a..a82e8eb 100644
--- a/lib/librte_pmd_virtio/virtio_rxtx.c
+++ b/lib/librte_pmd_virtio/virtio_rxtx.c
@@ -144,9 +144,9 @@ virtio_xmit_cleanup(struct virtqueue *vq, uint16_t num)
used_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 1));
uep = &vq->vq_ring.used->ring[used_idx];
- dxp = &vq->vq_descx[used_idx];
desc_idx = (uint16_t) uep->id;
+ dxp = &vq->vq_descx[desc_idx];
vq->vq_used_cons_idx++;
vq_ring_free_chain(vq, desc_idx);
--
1.8.4.2
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