From c88ef717c83a148062192239c94e2008c57bfa0f Mon Sep 17 00:00:00 2001
From: Michal Privoznik <mprivozn@redhat.com>
Date: Tue, 18 Sep 2018 10:59:05 +0200
Subject: [PATCH] qemu_hotplug: Fetch vhostuser ifname on hotplug

https://bugzilla.redhat.com/show_bug.cgi?id=1630164

Since 2a13a0a1033 we are querying the vhostuser's interface name
when building qemu command line. However, we forgot to do so on
hotplug.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
---
 src/qemu/qemu_hotplug.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 633e7fc18f..b00f5ef300 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1330,6 +1330,11 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver,
 
         if (!(charDevAlias = qemuAliasChardevFromDevAlias(net->info.alias)))
             goto cleanup;
+
+        if (virNetDevOpenvswitchGetVhostuserIfname(net->data.vhostuser->data.nix.path,
+                                                   &net->ifname) < 0)
+            goto cleanup;
+
         break;
 
     case VIR_DOMAIN_NET_TYPE_USER: