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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
This commit is contained in:
Ján Tomko 2017-06-09 08:27:07 +02:00
parent 9ea3424a17
commit 3596b1ddf9
1 changed files with 5 additions and 1 deletions
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6
src/qemu/qemu_command.c
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@ -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;
}