linux-kernel - Re: tip.git regression from "vsprintf: unify the format decoding layer for its 3 users"

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Date:	Sat, 14 Mar 2009 09:11:01 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Vegard Nossum <vegard.nossum@...il.com>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Xen-devel <xen-devel@...ts.xensource.com>
Subject: Re: tip.git regression from "vsprintf: unify the format decoding
 layer for its 3 users"

Vegard Nossum wrote:
> 2009/3/14 Jeremy Fitzhardinge <jeremy@...p.org>:
>   
>> Change fef20d9c1380f04ba9492d6463148db07b413708, "vsprintf: unify the format
>> decoding layer for its 3 users", causes a regression in xenbus which results
>> in no devices getting attached to a new domain.  Reverting
>> fef20d9c1380f04ba9492d6463148db07b413708 and
>> 39e874f8afbdb3745e2406ce4ecbde9ac4cbaa78 fixes the problem.
>>
>> I haven't identified what format string is being handled wrongly, so I don't
>> know what the precise bug is.  The most complex looking format in use seems
>> to be %.*s; there's also "%s/%s", "%i" and "%lX".
>>     
>
> Hi,
>
> At least %.*s seems to be broken. How about this patch?
>   

Thanks, that does the trick.

    J
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