linux-kernel - Re: [PATCH 1/2] mtd: m25p80: Fix false-positive probing

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] [day] [month] [year] [list]

Message-ID: <1278568644.12733.35.camel@localhost>
Date:	Thu, 08 Jul 2010 08:57:24 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Anton Vorontsov <avorontsov@...sta.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Barry Song <21cnbao@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Frysinger <vapier.adi@...il.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	linux-mtd@...ts.infradead.org,
	uclinux-dist-devel@...ckfin.uclinux.org
Subject: Re: [PATCH 1/2] mtd: m25p80: Fix false-positive probing

On Tue, 2010-06-22 at 20:57 +0400, Anton Vorontsov wrote:
> Since commit 18c6182bae0acca220ed6611f741034d563cd19f ("Rework
> probing/JEDEC code"), m25p80 driver successfully registers chips
> even if JEDEC probing fails.
> 
> This was needed to support non-JEDEC flashes. Though, it appears
> that some platforms (e.g. blackfin bf533 stamp[1]) used the old
> behavior to detect if there's any flash connected, so the driver
> have to fail on JEDEC probing errors.
> 
> This patch restores the old behavior for JEDEC flashes, and adds
> "-nonjedec" SPI device IDs for M25Pxx flashes, so that the kernel
> still supports non-JEDEC flashes.
> 
> [1] http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=5975
> 
> Reported-by: Mingquan Pan
> Reported-by: Barry Song <21cnbao@...il.com>
> Signed-off-by: Anton Vorontsov <avorontsov@...sta.com>
> ---

Pushed both patches to my l2-mtd-2.6.git / dunno, added Mike's ack.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

--
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/