[dpdk-dev] [PATCH] vhost: fix return avail ring position in get vring base

[Tomasz Kulasek]

According to the "Vhost-user Protocol" document,
VHOST_USER_GET_VRING_BASE should get the available vring base offset.

Fixes: 8f972312b8f4 ("vhost: support vhost-user")
Cc: huawei.xie at intel.com
Cc: stable at dpdk.org

Signed-off-by: Pawel Wodkowski <pawelx.wodkowski at intel.com>
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek at intel.com>
---
 lib/librte_vhost/vhost_user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 65ee33919..04eee3a3a 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -881,8 +881,8 @@ vhost_user_get_vring_base(struct virtio_net *dev,
 
 	dev->flags &= ~VIRTIO_DEV_READY;
 
-	/* Here we are safe to get the last used index */
-	msg->payload.state.num = vq->last_used_idx;
+	/* Here we are safe to get the last avail index */
+	msg->payload.state.num = vq->last_avail_idx;
 
 	RTE_LOG(INFO, VHOST_CONFIG,
 		"vring base idx:%d file:%d\n", msg->payload.state.index,
-- 
2.14.1