[libvirt] [PATCH] qemu: report an error if usb keyboards are unsupported

Be nicer to the user and report a proper error instead of: An error occurred, but the cause is unknown https://bugzilla.redhat.com/show_bug.cgi?id=1460086 --- src/qemu/qemu_command.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 20af16b..0f87809 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -4261,8 +4261,12 @@ qemuBuildUSBInputDevStr(const virDomainDef *def, virBufferAsprintf(&buf, "usb-tablet,id=%s", dev->info.alias); break; case VIR_DOMAIN_INPUT_TYPE_KBD: - if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_KBD)) + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_KBD)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("usb keyboard is not supported by this " + "QEMU binary")); goto error; + } virBufferAsprintf(&buf, "usb-kbd,id=%s", dev->info.alias); break; } -- 2.10.2