From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anup Patel Subject: [PATCH 1/5] mtd: brcmnand: Fix pointer type-cast in brcmnand_write() Date: Fri, 2 Oct 2015 23:26:42 +0530 Message-ID: <1443808606-21203-2-git-send-email-anup.patel@broadcom.com> References: <1443808606-21203-1-git-send-email-anup.patel@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1443808606-21203-1-git-send-email-anup.patel@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , David Woodhouse , Brian Norris , Ray Jui , Scott Branden , Florian Fainelli , Pramod KUMAR , Vikram Prakash , Sandeep Tripathy , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Anup Patel List-Id: devicetree@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