From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753932AbbJPJLD (ORCPT ); Fri, 16 Oct 2015 05:11:03 -0400 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:2798 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753552AbbJPJJQ (ORCPT ); Fri, 16 Oct 2015 05:09:16 -0400 X-IronPort-AV: E=Sophos;i="5.17,688,1437462000"; d="scan'208";a="77879268" From: Anup Patel To: David Woodhouse , Brian Norris , CC: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , "Catalin Marinas" , Will Deacon , Ray Jui , Scott Branden , Florian Fainelli , Pramod KUMAR , "Vikram Prakash" , Sandeep Tripathy , , , , , "Anup Patel" 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 1.9.1