[libvirt] [PATCH 3/3] qemu: Don't add -spice port=0 when no port is specified

[Christophe Fergeau]

If a <graphics type='spice'> has no port nor tlsPort set, the generated
QEMU command line will contain -spice port=0.
This is later going to be ignored by spice-server, but it's better not
to add it at all in this situation.
---
 src/qemu/qemu_command.c                                            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 5d37d28..a4e6f84 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7029,7 +7029,7 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
         goto error;
     }
 
-    if (port > 0 || tlsPort <= 0)
+    if (port > 0)
         virBufferAsprintf(&opt, "port=%u", port);
 
     if (tlsPort > 0) {
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
index edecca1..b80ad16 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
@@ -19,6 +19,6 @@ QEMU_AUDIO_DRV=spice \
 -drive file=/var/lib/libvirt/images/QEMUGuest1,format=qcow2,if=none,\
 id=drive-ide0-0-0,cache=none \
 -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
--spice port=0,gl=on \
+-spice gl=on \
 -device virtio-vga,id=video0,virgl=on,bus=pci.0,addr=0x2 \
 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
-- 
2.5.0