linux-kernel - Re: [PATCH] target/iscsi: fix digest computation for chained SGs

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Message-ID: <CAL1RGDWAVnwD0bwdFyaUNofjMC6MWREn4pK_3Qu6ZV1rXzL9-w@mail.gmail.com>
Date:	Tue, 21 Jul 2015 18:38:04 -0700
From:	Roland Dreier <roland@...estorage.com>
To:	Sagi Grimberg <sagig@....mellanox.co.il>
Cc:	Spencer Baugh <sbaugh@...ern.com>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	Sagi Grimberg <sagig@...lanox.com>,
	Christoph Hellwig <hch@....de>,
	Bart Van Assche <bart.vanassche@...disk.com>,
	Andy Grover <agrover@...hat.com>,
	Christophe Vu-Brugier <cvubrugier@...tmail.fm>,
	"open list:TARGET SUBSYSTEM" <linux-scsi@...r.kernel.org>,
	"open list:TARGET SUBSYSTEM" <target-devel@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	Joern Engel <joern@...estorage.com>,
	Alexei Potashnik <alexei@...estorage.com>
Subject: Re: [PATCH] target/iscsi: fix digest computation for chained SGs

On Tue, Jul 21, 2015 at 1:57 AM, Sagi Grimberg <sagig@....mellanox.co.il> wrote:
> How were you able to get a chained SG list in the target code?

Local hack.  So this bug can't be hit in current mainline code, but
patch improves the code and removes a hidden booby-trap, so I think it
makes sense to apply.
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