diff options
Diffstat (limited to 'src/vnet/devices/virtio/vhost-user.c')
| -rw-r--r-- | src/vnet/devices/virtio/vhost-user.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c index 100ec613bc2..3cbeca9b3fc 100644 --- a/src/vnet/devices/virtio/vhost-user.c +++ b/src/vnet/devices/virtio/vhost-user.c @@ -583,7 +583,10 @@ vhost_user_vring_close (vhost_user_intf_t * vui, u32 qid) vring->callfd_idx = ~0; } if (vring->errfd != -1) - close (vring->errfd); + { + close (vring->errfd); + vring->errfd = -1; + } vhost_user_vring_init (vui, qid); } @@ -1026,12 +1029,16 @@ vhost_user_socket_read (unix_file_t * uf) goto close_socket; } - /* Spec says: Client must [...] stop ring upon receiving VHOST_USER_GET_VRING_BASE. */ - vhost_user_vring_close (vui, msg.state.index); - + /* + * Copy last_avail_idx from the vring before closing it because + * closing the vring also initializes the vring last_avail_idx + */ msg.state.num = vui->vrings[msg.state.index].last_avail_idx; msg.flags |= 4; msg.size = sizeof (msg.state); + + /* Spec says: Client must [...] stop ring upon receiving VHOST_USER_GET_VRING_BASE. */ + vhost_user_vring_close (vui, msg.state.index); break; case VHOST_USER_NONE: |