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=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 83855C2B9F4 for ; Fri, 25 Jun 2021 09:51:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6FBDE6142B for ; Fri, 25 Jun 2021 09:51:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231429AbhFYJxd (ORCPT ); Fri, 25 Jun 2021 05:53:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:39686 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231416AbhFYJxb (ORCPT ); Fri, 25 Jun 2021 05:53:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A43B961423; Fri, 25 Jun 2021 09:50:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624614671; bh=2W0lvZfpLXORUkM2ExWV3NULyHOTnGAdTs9RY07P/Zw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KN31sqIw5r5LlLnrZQl2eM4nRZoEu2uwdLl0iu4Z3mEiGLQLZMdHiPEphTt+MoCV/ n3x2oiIVN7iwTX5VzSXEBGHzhkGDBv1p/UdL0OAsH5f3ZCAoYLRNMi0XpHEn/w/xOV KIi3HqllKRRejlXFc1zCl9QaK0X0rWUCztYUXSM3xkdXs4ab3HhDm4pBvwnjxvgVaK iMtt28zi6QgyDdCCzpoG2T7EcLmsYOGQ1mLrv6dVfY8dtd1Ju+0LxWALjJFXYWC1gS sS95QvFYS3Dzy9ailnPmdfPb2tRYN4BbbpUkp9pokfVdYjpMu7ZtxC285tFOBc91Y0 ddQxsflbSS3ng== Date: Fri, 25 Jun 2021 15:20:41 +0530 From: Manivannan Sadhasivam To: Dan Carpenter Cc: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Boris Brezillon , Tudor Ambarus , linux-mtd@lists.infradead.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH] mtd: rawnand: Add a check in of_get_nand_secure_regions() Message-ID: <20210625095041.GA4299@thinkpad> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kernel-janitors@vger.kernel.org On Thu, Jun 17, 2021 at 04:37:25PM +0300, Dan Carpenter wrote: > Check for whether of_property_count_elems_of_size() returns a negative > error code. > > Fixes: 13b89768275d ("mtd: rawnand: Add support for secure regions in NAND memory") > Signed-off-by: Dan Carpenter Reviewed-by: Manivannan Sadhasivam Thanks, Mani > --- > drivers/mtd/nand/raw/nand_base.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c > index 57a583149cc0..cbba46432e39 100644 > --- a/drivers/mtd/nand/raw/nand_base.c > +++ b/drivers/mtd/nand/raw/nand_base.c > @@ -5231,8 +5231,8 @@ static int of_get_nand_secure_regions(struct nand_chip *chip) > int nr_elem, i, j; > > nr_elem = of_property_count_elems_of_size(dn, "secure-regions", sizeof(u64)); > - if (!nr_elem) > - return 0; > + if (nr_elem <= 0) > + return nr_elem; > > chip->nr_secure_regions = nr_elem / 2; > chip->secure_regions = kcalloc(chip->nr_secure_regions, sizeof(*chip->secure_regions), > -- > 2.30.2 >