[Qemu-devel] Re: [PATCH] qdev: Catch attempt to attach more than one device to a netdev

[Gerd Hoffmann]

On 02/26/10 10:30, Markus Armbruster wrote:
> This made a lot of sense if each parser threw largely different errors.
> Which isn't the case: we have one so far ("failed to parse"), and we
> just encountered a use for a second.

There are actually three:  parse error, not found 
(netdev=<does-not-exist>) and busy (netdev=<already-in-use>).

But, yes, given the small number of error cases it makes sense to 
generate the error one layer up and not in the parsers themself.

cheers,
  Gerd