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From: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
Cc: "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Arnaud Ebalard <arno-LkuqDEemtHBg9hUCZPvPmw@public.gmane.org>,
	Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Eran Ben-Avi <benavi-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Gregory CLEMENT
	<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	Sebastian Hesselbarth
	<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Ian Campbell
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
	Imre Kaloz <kaloz-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
Subject: Re: [PATCH v5 05/14] crypto: marvell/CESA: add TDMA support
Date: Wed, 17 Jun 2015 09:37:34 +0200	[thread overview]
Message-ID: <20150617093734.03f84134@bbrezillon> (raw)
In-Reply-To: <20150617071829.GA9895-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>

On Wed, 17 Jun 2015 15:18:29 +0800
Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org> wrote:

> On Wed, Jun 17, 2015 at 09:15:03AM +0200, Boris Brezillon wrote:
> >
> > Anyway, now I'm doing the following test:
> > 
> > if (creq->src_nents && !ret)
> > 	return -ENOMEM;
> 
> Best not call dma_map_sg at all in the !src_nents case as I think
> some architectures will WARN or BUG if you give it a zero-length
> list.

Okay, I've changed it to test for the !src_nents before calling
dma_map_sg.

Thanks,

Boris


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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  parent reply	other threads:[~2015-06-17  7:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-16  9:58 [PATCH v5 00/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-16  9:58 ` [PATCH v5 01/14] crypto: mv_cesa: document the clocks property Boris Brezillon
2015-06-16  9:58 ` [PATCH v5 02/14] crypto: mv_cesa: use gen_pool to reserve the SRAM memory region Boris Brezillon
2015-06-16  9:58 ` [PATCH v5 03/14] crypto: mv_cesa: explicitly define kirkwood and dove compatible strings Boris Brezillon
2015-06-16  9:58 ` [PATCH v5 04/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-17  5:58   ` Herbert Xu
     [not found]     ` <20150617055824.GA9155-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
2015-06-17  6:58       ` crypto: drivers - Fix Kconfig selects Herbert Xu
2015-06-17  7:15     ` [PATCH v5 04/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-16  9:59 ` [PATCH v5 06/14] crypto: marvell/CESA: add DES support Boris Brezillon
2015-06-17 18:07   ` Sandy Harris
2015-06-16  9:59 ` [PATCH v5 07/14] crypto: marvell/CESA: add Triple-DES support Boris Brezillon
2015-06-16  9:59 ` [PATCH v5 08/14] crypto: marvell/CESA: add MD5 support Boris Brezillon
2015-06-16  9:59 ` [PATCH v5 10/14] crypto: marvell/CESA: add support for all armada SoCs Boris Brezillon
     [not found] ` <1434448748-10828-1-git-send-email-boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2015-06-16  9:58   ` [PATCH v5 05/14] crypto: marvell/CESA: add TDMA support Boris Brezillon
     [not found]     ` <1434448748-10828-6-git-send-email-boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2015-06-17  5:05       ` Herbert Xu
2015-06-17  5:56         ` Herbert Xu
2015-06-17  7:15           ` Boris Brezillon
2015-06-17  7:18             ` Herbert Xu
     [not found]               ` <20150617071829.GA9895-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
2015-06-17  7:37                 ` Boris Brezillon [this message]
2015-06-16  9:59   ` [PATCH v5 09/14] crypto: marvell/CESA: add SHA256 support Boris Brezillon
2015-06-16  9:59   ` [PATCH v5 11/14] crypto: marvell/CESA: add allhwsupport module parameter Boris Brezillon
2015-06-16  9:59   ` [PATCH v5 12/14] crypto: marvell/CESA: add support for Orion SoCs Boris Brezillon
2015-06-16  9:59 ` [PATCH v5 13/14] crypto: marvell/CESA: add support for Kirkwood and Dove SoCs Boris Brezillon
2015-06-16  9:59 ` [PATCH v5 14/14] crypto: marvell/CESA: add DT bindings documentation Boris Brezillon

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