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: Fri, 17 Feb 2006 16:34:37 -0500 [thread overview]
Message-ID: <43F6416D.50807@pobox.com> (raw)
In-Reply-To: <20060217075309.GA31835@htj.dyndns.org>
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)?
Jeff
next prev parent reply other threads:[~2006-02-17 21:34 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 [this message]
2006-02-18 2:35 ` Tejun Heo
2006-02-20 10:16 ` Jeff Garzik
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 3/3] libata: make ata_sg_setup_one() trim zero length sg Tejun Heo
2006-02-20 14:48 ` [PATCH 2/3] libata: fix qc->n_elem == 0 case handling in ata_qc_next_sg Tejun Heo
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