This prevents from destroying & recreating user device in "incomplete"
vring state. virtio_is_ready() was returning true for devices with
vrings which did not have valid callfd (their VHOST_USER_SET_VRING_CALL
hasn't arrived yet)
Fixes: 8f972312b8f4 ("vhost: support vhost-user")
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Dariusz Stojaczyk <[email protected]>
Signed-off-by: Tomasz Kulasek <[email protected]>
---
lib/librte_vhost/vhost_user.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 65ee33919..dd8682c09 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -897,6 +897,11 @@ vhost_user_get_vring_base(struct virtio_net *dev,
vq->kickfd = VIRTIO_UNINITIALIZED_EVENTFD;
+ if (vq->callfd >= 0)
+ close(vq->callfd);
+
+ vq->callfd = VIRTIO_UNINITIALIZED_EVENTFD;
+
if (dev->dequeue_zero_copy)
free_zmbufs(vq);
rte_free(vq->shadow_used_ring);
--
2.14.1
