[PATCH v2 18/24] virtio: Fix descriptor index issue
From: Ouyang Changchun <hidden>
Date: 2015-01-27 02:35:58
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
It should use vring descriptor index instead of used_ring index to index vq_descx. Signed-off-by: Changchun Ouyang <redacted> --- 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