vhost: clarify reply-ack in case a reply was already sent

[dpdk.git] / lib / librte_vhost / vhost_user.c

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 09a90a2..a772999 100644 (file)
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1783,6 +1783,11 @@ skip_to_reply:
        if (unlock_required)
                vhost_user_unlock_all_queue_pairs(dev);
 
+       /*
+        * If the request required a reply that was already sent,
+        * this optional reply-ack won't be sent as the
+        * VHOST_USER_NEED_REPLY was cleared in send_vhost_reply().
+        */
        if (msg.flags & VHOST_USER_NEED_REPLY) {
                msg.payload.u64 = ret == VH_RESULT_ERR;
                msg.size = sizeof(msg.payload.u64);