From: Herbert Xu Subject: Re: [PATCH] crypto:caam - Correct the dma mapping for sg table Date: Wed, 25 Jun 2014 21:49:57 +0800 Message-ID: <20140625134957.GD10379@gondor.apana.org.au> References: <1403533226-13240-1-git-send-email-ruchika.gupta@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, davem@davemloft.net, alexandru.porosanu@freescale.com, kim.phillips@freescale.com, dan.carpenter@oracle.com, horia.geanta@freescale.com, marex@denx.de To: Ruchika Gupta Return-path: Received: from helcar.apana.org.au ([209.40.204.226]:41723 "EHLO helcar.apana.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755478AbaFYNuD (ORCPT ); Wed, 25 Jun 2014 09:50:03 -0400 Content-Disposition: inline In-Reply-To: <1403533226-13240-1-git-send-email-ruchika.gupta@freescale.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Mon, Jun 23, 2014 at 07:50:26PM +0530, Ruchika Gupta wrote: > At few places in caamhash and caamalg, after allocating a dmable > buffer for sg table , the buffer was being modified. As per > definition of DMA_FROM_DEVICE ,afer allocation the memory should > be treated as read-only by the driver. This patch shifts the > allocation of dmable buffer for sg table after it is populated > by the driver, making it read-only as per the DMA API's requirement. > > Signed-off-by: Ruchika Gupta Patch applied. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt