From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fcHaq-0003DU-I8 for linux-mtd@lists.infradead.org; Sun, 08 Jul 2018 21:51:46 +0000 Date: Sun, 8 Jul 2018 23:51:31 +0200 From: Miquel Raynal To: Stefan Agner Cc: boris.brezillon@bootlin.com, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, dan.carpenter@oracle.com, dev@lynxeye.de, richard@nod.at, marcel@ziswiler.com, krzk@kernel.org, digetx@gmail.com, benjamin.lindqvist@endian.se, mirza.krak@gmail.com, gaireg@gaireg.de, linux-mtd@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mtd: rawnand: tegra: check bounds of die_nr properly Message-ID: <20180708235131.348f95f9@xps13> In-Reply-To: <20180704091310.22003-1-stefan@agner.ch> References: <20180704091310.22003-1-stefan@agner.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Stefan, Stefan Agner wrote on Wed, 4 Jul 2018 11:13:10 +0200: > The Tegra driver currently only support a single chip select, hence > check boundaries accordingly. This fixes a off by one issue catched > with Smatch: > drivers/mtd/nand/raw/tegra_nand.c:476 tegra_nand_select_chip() > warn: array off by one? 'nand->cs[die_nr]' >=20 > Also warn in case the stack asks for a chip select we currently do > not support. >=20 > Reported-by: Dan Carpenter > Signed-off-by: Stefan Agner > --- Applied to nand/next. Thanks, Miqu=C3=A8l