From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ouyang Changchun Subject: [PATCH v3 18/25] virtio: Fix descriptor index issue Date: Thu, 29 Jan 2015 15:24:02 +0800 Message-ID: <1422516249-14596-19-git-send-email-changchun.ouyang@intel.com> References: <1422326164-13697-1-git-send-email-changchun.ouyang@intel.com> <1422516249-14596-1-git-send-email-changchun.ouyang@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1422516249-14596-1-git-send-email-changchun.ouyang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" It should use vring descriptor index instead of used_ring index to index vq_descx. Signed-off-by: Changchun Ouyang --- 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