linux-kernel - Re: [PATCH][MMC] Fix wrong EXT_CSD

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20071213085332.18d2790d@poseidon.drzeus.cx>
Date:	Thu, 13 Dec 2007 08:53:32 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Kyungmin Park <kyungmin.park@...sung.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH][MMC] Fix wrong EXT_CSD_REV handling

On Thu, 13 Dec 2007 16:13:11 +0900
Kyungmin Park <kyungmin.park@...sung.com> wrote:

> It already checked the ext_csd_struct is less than 2,
> so it doesn't need to check it.
> Current code only accepts the revision 1.2.
> 
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>

It wasn't wrong the last time you brought this up, and it still isn't wrong. Those bits aren't defined until version 1.2 of the EXT_CSD register, hence we do not trust them. If you have some broken card that you feel you must have support for, then start working on some quirks system.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/