linux-kernel - Re: [PATCH 4/4] Add MMC Password Protection (lock/unlock) support V9: mmc

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Message-ID: <45A53DC7.9080300@drzeus.cx>
Date:	Wed, 10 Jan 2007 20:25:59 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Anderson Briglia <anderson.briglia@...t.org.br>
CC:	Russell King <rmk+lkml@....linux.org.uk>,
	"Lizardo Anderson (EXT-INdT/Manaus)" <anderson.lizardo@...t.org.br>,
	linux-kernel@...r.kernel.org,
	"Aguiar Carlos (EXT-INdT/Manaus)" <carlos.aguiar@...t.org.br>,
	Tony Lindgren <tony@...mide.com>,
	ext David Brownell <david-b@...bell.net>
Subject: Re: [PATCH 4/4] Add MMC Password Protection (lock/unlock) support
 V9: mmc_sysfs.diff

Anderson Briglia wrote:
>> There's also no handling for an invalid string written to the sysfs node.
>>     
>
> Is this really needed? I thought the function just ignored other values sent to itself that were not handled.
>
>   

Well, returning an error on invalid data is the right<tm> thing to do.
And the warning about mmc_key is caused by this lack of error handling.

Rgds

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

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