From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: make ata_sg_setup_one() trim zero length sg
Date: Mon, 20 Feb 2006 05:16:47 -0500 [thread overview]
Message-ID: <43F9970F.9010903@pobox.com> (raw)
In-Reply-To: <43F68809.8040700@gmail.com>
Tejun Heo wrote:
> Jeff Garzik wrote:
>
>> Tejun Heo wrote:
>>
>>> This patch makes ata_sg_setup_one() trim sg entry (thus making
>>> qc->n_elem zero) if padding results in zero length sg entry.
>>>
>>> Signed-off-by: Tejun Heo <htejun@gmail.com>
>>>
>>> ---
>>>
>>> Jeff, currently, in both sg_setup() and sg_setup_one() cases, zero
>>> length sg entry can reach low level driver fill_sg() function which
>>> could possibly cause weird problems. This and a following patch kill
>>> such cases.
>>
>>
>>
>> Can you redo this series against vanilla upstream (and/or
>> #upstream-fixes)?
>>
>
> Hello, Jeff.
>
> Actually, this series is already against the vanilla upstream[1]. The
> order is...
>
> libata: fix WARN_ON() condition in *_fill_sg() [2]
> libata: make ata_sg_setup_one() trim zero length sg [3]
> libata: fix qc->n_elem == 0 case handling in ata_qc_next_sg [4]
Sorry, I should have been more specific.
These changes should go into 2.6.16-rc, and should be based off the
vanilla Linus tree. Too many "vanilla upstreams" running around...
Jeff
next prev parent reply other threads:[~2006-02-20 10:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-17 7:53 [PATCH] libata: make ata_sg_setup_one() trim zero length sg Tejun Heo
2006-02-17 21:34 ` Jeff Garzik
2006-02-18 2:35 ` Tejun Heo
2006-02-20 10:16 ` Jeff Garzik [this message]
2006-02-20 14:48 ` [PATCHSET] libata: sg corner case fixes against Linus tree Tejun Heo
2006-02-20 14:48 ` [PATCH 1/3] libata: fix WARN_ON() condition in *_fill_sg() Tejun Heo
2006-02-20 21:56 ` Jeff Garzik
2006-02-20 14:48 ` [PATCH 2/3] libata: fix qc->n_elem == 0 case handling in ata_qc_next_sg Tejun Heo
2006-02-20 14:48 ` [PATCH 3/3] libata: make ata_sg_setup_one() trim zero length sg Tejun Heo
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