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Re: [PATCH] wireless-regdb: add DFS CAC time parameter

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On Wed, 2014-05-21 at 14:00 -0400, John W. Linville wrote:

> The 'do not parse more permissively' would seem to be a problem if
> we still produce an older format too, no?  I mean, wouldn't we have
> to simply drop new rules to produce an older binary?  Even worse if
> we left the old binary in place, since then you could never update
> any rules for old crda installations at all.

That's true, in a sense.

> It seems like forcing a crda update to use any new format-breaking
> rules might just be the right thing.  Can we make crda choke and die
> loudly when it sees an unknown format?  Will the current crda do that?

It will, yes. If the version number is mismatched it'll print "Invalid
database version" (to stderr) and exit.

johannes

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