From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiwei Bie Subject: [PATCH 4/4] net/virtio-user: fix used ring update in cvq handling Date: Wed, 23 Jan 2019 01:01:43 +0800 Message-ID: <20190122170143.5650-5-tiwei.bie@intel.com> References: <20190122170143.5650-1-tiwei.bie@intel.com> Cc: stable@dpdk.org To: maxime.coquelin@redhat.com, zhihong.wang@intel.com, dev@dpdk.org Return-path: In-Reply-To: <20190122170143.5650-1-tiwei.bie@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When updating used ring, the id in used element should be the index of the first desc in the desc chain. Fixes: f9b9d1a55775 ("net/virtio-user: add multiple queues in device emulation") Cc: stable@dpdk.org Signed-off-by: Tiwei Bie --- drivers/net/virtio/virtio_user/virtio_user_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 89d287a74..d1157378d 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c @@ -722,7 +722,7 @@ virtio_user_handle_cq(struct virtio_user_dev *dev, uint16_t queue_idx) /* Update used ring */ uep = &vring->used->ring[avail_idx]; - uep->id = avail_idx; + uep->id = desc_idx; uep->len = n_descs; vring->used->idx++; -- 2.17.1