[libvirt] [PATCH] qemu: ensure vhostuser FD is initialized to -1

[Daniel P. Berrangé]

The video private data was not initializing the vhostuser FD
causing us to attempt to close FD 0 many times over.

Fixes

  commit ca60ecfa8cc1bd85baf7137dd1864d5f00f019f0
  Author: Marc-André Lureau <marcandre.lureau at redhat.com>
  Date:   Mon Sep 23 14:44:36 2019 +0400

      qemu: add qemuDomainVideoPrivate

Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
 src/qemu/qemu_domain.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index bfd49beb21..bb81bda88e 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1336,6 +1336,8 @@ qemuDomainVideoPrivateNew(void)
     if (!(priv = virObjectNew(qemuDomainVideoPrivateClass)))
         return NULL;
 
+    priv->vhost_user_fd = -1;
+
     return (virObjectPtr) priv;
 }
 
-- 
2.21.0