From patchwork Fri Oct 16 09:08:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 7412771 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B9C889F1D5 for ; Fri, 16 Oct 2015 09:11:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F0E8620A48 for ; Fri, 16 Oct 2015 09:11:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 29ABC20A37 for ; Fri, 16 Oct 2015 09:11:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zn11F-0006q3-Ig; Fri, 16 Oct 2015 09:09:45 +0000 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zn116-0006gn-Aq; Fri, 16 Oct 2015 09:09:36 +0000 X-IronPort-AV: E=Sophos;i="5.17,688,1437462000"; d="scan'208";a="77879268" Received: from irvexchcas07.broadcom.com (HELO IRVEXCHCAS07.corp.ad.broadcom.com) ([10.9.208.55]) by mail-gw1-out.broadcom.com with ESMTP; 16 Oct 2015 04:02:52 -0700 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS07.corp.ad.broadcom.com (10.9.208.55) with Microsoft SMTP Server (TLS) id 14.3.235.1; Fri, 16 Oct 2015 02:09:15 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.235.1; Fri, 16 Oct 2015 02:09:58 -0700 Received: from anup-HP-Compaq-8100-Elite-CMT-PC.ban.broadcom.com (unknown [10.131.91.107]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 35C1C41008; Fri, 16 Oct 2015 02:06:14 -0700 (PDT) From: Anup Patel To: David Woodhouse , Brian Norris , Subject: [PATCH v2 1/4] mtd: brcmnand: Fix pointer type-cast in brcmnand_write() Date: Fri, 16 Oct 2015 14:38:54 +0530 Message-ID: <1444986537-28387-2-git-send-email-anup.patel@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444986537-28387-1-git-send-email-anup.patel@broadcom.com> References: <1444986537-28387-1-git-send-email-anup.patel@broadcom.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151016_020936_471219_74322DA1 X-CRM114-Status: GOOD ( 10.82 ) X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Florian Fainelli , Scott Branden , Pawel Moll , Ian Campbell , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, Ray Jui , Vikram Prakash , Rob Herring , bcm-kernel-feedback-list@broadcom.com, Sandeep Tripathy , Kumar Gala , Pramod KUMAR , linux-arm-kernel@lists.infradead.org, Anup Patel Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We should always type-cast pointer to "long" or "unsigned long" because size of pointer is same as machine word size. This will avoid pointer type-cast issues on both 32bit and 64bit systems. This patch fixes pointer type-cast issue in brcmnand_write() as-per above info. Signed-off-by: Anup Patel Reviewed-by: Vikram Prakash Reviewed-by: Ray Jui Reviewed-by: Scott Branden --- drivers/mtd/nand/brcmnand/brcmnand.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c index fddb795..4cba03d 100644 --- a/drivers/mtd/nand/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/brcmnand/brcmnand.c @@ -1544,9 +1544,9 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip, dev_dbg(ctrl->dev, "write %llx <- %p\n", (unsigned long long)addr, buf); - if (unlikely((u32)buf & 0x03)) { + if (unlikely((unsigned long)buf & 0x03)) { dev_warn(ctrl->dev, "unaligned buffer: %p\n", buf); - buf = (u32 *)((u32)buf & ~0x03); + buf = (u32 *)((unsigned long)buf & ~0x03); } brcmnand_wp(mtd, 0);