[PATCH] QEMU: allow to hot plugging virtio-serial-pci device

[shenjiatong]

Virtio-serial-pci device is hot pluggable, losen the restriction and
allow user to hot plug it.
---
 src/qemu/qemu_hotplug.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index bddd553c88..55512476e4 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -837,7 +837,8 @@ qemuDomainAttachControllerDevice(virDomainObj *vm,
                                { .controller = controller } };
     bool releaseaddr = false;
 
-    if (controller->type != VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
+    if (controller->type != VIR_DOMAIN_CONTROLLER_TYPE_SCSI && \
+        controller->type != VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
                        _("'%1$s' controller cannot be hot plugged."),
                        virDomainControllerTypeToString(controller->type));
-- 
2.43.0