Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1042981AbdDVBVk (ORCPT ); Fri, 21 Apr 2017 21:21:40 -0400 Received: from mail-io0-f195.google.com ([209.85.223.195]:32860 "EHLO mail-io0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1042963AbdDVBVg (ORCPT ); Fri, 21 Apr 2017 21:21:36 -0400 From: Geliang Tang To: Achim Leubner , "James E.J. Bottomley" , "Martin K. Petersen" Cc: Geliang Tang , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] gdth: use offset_in_page() macro Date: Sat, 22 Apr 2017 09:21:09 +0800 Message-Id: X-Mailer: git-send-email 2.9.3 In-Reply-To: <4dbc77ccaaed98b183cf4dba58a4fa325fd65048.1492758503.git.geliangtang@gmail.com> References: <4dbc77ccaaed98b183cf4dba58a4fa325fd65048.1492758503.git.geliangtang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 717 Lines: 22 Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang --- drivers/scsi/gdth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index d020a13..557ce73 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2648,7 +2648,7 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, u8 b) } else { page = virt_to_page(scp->sense_buffer); - offset = (unsigned long)scp->sense_buffer & ~PAGE_MASK; + offset = offset_in_page(scp->sense_buffer); sense_paddr = pci_map_page(ha->pdev,page,offset, 16,PCI_DMA_FROMDEVICE); -- 2.9.3