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

From: Gerd Hoffmann
Subject: [Qemu-devel] Re: [PATCH] qdev: Catch attempt to attach more than one device to a netdev
Date: Fri, 26 Feb 2010 11:05:52 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100120 Fedora/3.0.1-1.fc12 Thunderbird/3.0.1

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.


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