From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACCDAC43381 for ; Fri, 15 Mar 2019 09:39:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8305421872 for ; Fri, 15 Mar 2019 09:39:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728744AbfCOJjo (ORCPT ); Fri, 15 Mar 2019 05:39:44 -0400 Received: from sauhun.de ([88.99.104.3]:36282 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726886AbfCOJjn (ORCPT ); Fri, 15 Mar 2019 05:39:43 -0400 Received: from localhost (p54B336D9.dip0.t-ipconnect.de [84.179.54.217]) by pokefinder.org (Postfix) with ESMTPSA id F1DC02C3637; Fri, 15 Mar 2019 10:39:41 +0100 (CET) Date: Fri, 15 Mar 2019 10:39:41 +0100 From: Wolfram Sang To: Geert Uytterhoeven Cc: Wolfram Sang , Linux MMC List , Linux-Renesas , Yoshihiro Shimoda , Masahiro Yamada , Niklas =?utf-8?Q?S=C3=B6derlund?= Subject: Re: [RFC PATCH 2/2] mmc: renesas_sdhi: prevent overflow for max_req_size Message-ID: <20190315093941.GC1176@kunai> References: <20190314223130.31802-1-wsa+renesas@sang-engineering.com> <20190314223130.31802-3-wsa+renesas@sang-engineering.com> <20190315082917.GA1176@kunai> <20190315092854.GB1176@kunai> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="lCAWRPmW1mITcIfM" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org --lCAWRPmW1mITcIfM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > I am still confused. Which upper limit do you mean then? Because for >=20 > TMIO_MAX_BLK_SIZE >=20 > > blk_size and blk_count, they are both driver specific, or? >=20 > Yes, they are driver-specific. So you cannot use a common upper limit. And this is why I think my patch has a valid approach. But I am still not sure I am getting your point. --lCAWRPmW1mITcIfM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlyLct0ACgkQFA3kzBSg KbbV4g//fe6HncHN7Lx3TZuSOsiCiYN2wScZpX84dFolPHUMMlaiVMVRsJRiwpDJ 7qHmgr6e6hRTem9XBukiVG9eDB7JgqCL+8rtnIgtbE+j75sPvsI7IgFcHlt65rtp mzdKts6Xh/GGIN3Jrct3gY5+kogUyZXs0GB+lqCR66tOBlsdfvYaO4yp1FiS/aRz JBi6LcyFKxUnGgh6SbZWxkfL7lkewMr7B1m21K53BslvsElBkSHRqFmckMXFUz73 gOzOKJlAyig3etIfJ0RTnCbA7D8qnPKunngdczbJGaGWPp8nWu3fb0pcLs2DbmTZ 7vOrQ3MIzXqCsPlhcDi0I/BbQtgj8LLuFZ49/Cnq09oD6vOKPO0y3Kye97dT4iVX R/KsQwaTtmM7rwGn6WjO/f2sAZgtdhzt8C01TvmYIRHbOQR62QGGTNDfbSQAe6gT cIEjbzb9A0NFn5rtaAIXmwhB1vLDyfbk/Gnxv676jD2OsrDZ10yRBr9z/qxNFWvl 6QFedGMnEV3NkaB4kQXUKuQJOoIjNa2uHo+u2k5jdaGCpEGMUz4RnyAVrd4xrRWI EEnBBJm4g8i2L7+BmLZI80e88vbv2sLkXrQbHlh6ZMSsaOowF5tSK6VrMoV8XKXc 9meZybt3dVT7rRC4g/9zQkL1RUBNgzxa6xsypIQTQGGIggX6P/I= =B7IX -----END PGP SIGNATURE----- --lCAWRPmW1mITcIfM--