From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Tejun Heo <tj@kernel.org>
Cc: Jeff Garzik <jgarzik@pobox.com>, Alan Cox <alan@linux.intel.com>,
linux-ide@vger.kernel.org, tom.leiming@gmail.com
Subject: Re: [PATCH #upstream-fixes] libata: clear PIO pad area
Date: Tue, 06 Sep 2011 14:06:23 +0400 [thread overview]
Message-ID: <4E65F09F.6020508@ru.mvista.com> (raw)
In-Reply-To: <20110906040905.GD18425@mtj.dyndns.org>
Hello.
On 06-09-2011 8:09, Tejun Heo wrote:
> ata_sff_data_xfer[32]() use pad area if the transfer size isn't
> multiple of transfer size; however, this area wasn't cleared and
> garbage data in pad area could be transferred to the device. Make
> sure the pad area is cleared.
> Signed-off-by: Tejun Heo<tj@kernel.org>
> Cc: Lei Ming<tom.leiming@gmail.com>
And what's the problem with garbage data? Why it's worse than 0s?
WBR, Sergei
next prev parent reply other threads:[~2011-09-06 10:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-06 4:09 [PATCH #upstream-fixes] libata: clear PIO pad area Tejun Heo
2011-09-06 10:06 ` Sergei Shtylyov [this message]
2011-09-06 11:16 ` Alan Cox
2011-09-06 16:58 ` Tejun Heo
2011-09-06 17:23 ` Sergei Shtylyov
2011-09-06 17:28 ` Sergei Shtylyov
2011-09-06 17:30 ` Tejun Heo
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