qdev-monitor: improve error message when alias device is unavailable
When trying to instantiate an alias that points to a device class that doesn't exist, the error message looks like qemu misunderstood the request: $ s390x-softmmu/qemu-system-s390x -device virtio-gpu qemu-system-s390x: -device virtio-gpu: 'virtio-gpu-ccw' is not a valid device model name Special-case the error message to make it explicit that alias expansion is going on: $ s390x-softmmu/qemu-system-s390x -device virtio-gpu qemu-system-s390x: -device virtio-gpu: 'virtio-gpu' (alias 'virtio-gpu-ccw') is not a valid device model name Suggested-By: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NSascha Silbe <silbe@linux.vnet.ibm.com> Message-Id: <1455831854-49013-2-git-send-email-silbe@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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