From patchwork Mon Feb 24 21:23:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Willy Tarreau X-Patchwork-Id: 11401801 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3959A14BC for ; Mon, 24 Feb 2020 21:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 22AEC21D7E for ; Mon, 24 Feb 2020 21:40:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727554AbgBXVko (ORCPT ); Mon, 24 Feb 2020 16:40:44 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:31498 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728040AbgBXVkn (ORCPT ); Mon, 24 Feb 2020 16:40:43 -0500 X-Greylist: delayed 986 seconds by postgrey-1.27 at vger.kernel.org; Mon, 24 Feb 2020 16:40:39 EST Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 01OLO5UU008696; Mon, 24 Feb 2020 22:24:05 +0100 From: Willy Tarreau To: Denis Efremov Cc: Jens Axboe , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Linus Torvalds , Willy Tarreau Subject: [PATCH 05/10] floppy: cleanup: expand macro UDRWE Date: Mon, 24 Feb 2020 22:23:47 +0100 Message-Id: <20200224212352.8640-6-w@1wt.eu> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20200224212352.8640-1-w@1wt.eu> References: <20200224212352.8640-1-w@1wt.eu> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This macro doesn't bring much value and only slightly obfuscates the code by silently using local variable "drive", let's expand it. Signed-off-by: Willy Tarreau --- drivers/block/floppy.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 522fbcc..a76a9bb 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -310,8 +310,6 @@ static bool initialized; #define DRS (&drive_state[current_drive]) #define DRWE (&write_errors[current_drive]) -#define UDRWE (&write_errors[drive]) - #define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2) #define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH) @@ -3553,10 +3551,10 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int outparam = &fdc_state[FDC(drive)]; break; case FDWERRORCLR: - memset(UDRWE, 0, sizeof(*UDRWE)); + memset(&write_errors[drive], 0, sizeof(write_errors[drive])); return 0; case FDWERRORGET: - outparam = UDRWE; + outparam = &write_errors[drive]; break; case FDRAWCMD: if (type) @@ -3867,7 +3865,7 @@ static int compat_werrorget(int drive, memset(&v32, 0, sizeof(struct compat_floppy_write_errors)); mutex_lock(&floppy_mutex); - v = *UDRWE; + v = write_errors[drive]; mutex_unlock(&floppy_mutex); v32.write_errors = v.write_errors; v32.first_error_sector = v.first_error_sector; @@ -4643,7 +4641,7 @@ static int __init do_floppy_init(void) /* initialise drive state */ for (drive = 0; drive < N_DRIVE; drive++) { memset(&drive_state[drive], 0, sizeof(drive_state[drive])); - memset(UDRWE, 0, sizeof(*UDRWE)); + memset(&write_errors[drive], 0, sizeof(write_errors[drive])); set_bit(FD_DISK_NEWCHANGE_BIT, &drive_state[drive].flags); set_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags); set_bit(FD_VERIFY_BIT, &drive_state[drive].flags);