From patchwork Sun May 3 17:31:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 6321611 Return-Path: X-Original-To: patchwork-linux-scsi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 21FB9BEEE1 for ; Sun, 3 May 2015 17:53:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 45648200E7 for ; Sun, 3 May 2015 17:53:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54BA3200E0 for ; Sun, 3 May 2015 17:53:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751385AbbECRxs (ORCPT ); Sun, 3 May 2015 13:53:48 -0400 Received: from ns.gsystem.sk ([62.176.172.50]:36105 "EHLO gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750989AbbECRxq (ORCPT ); Sun, 3 May 2015 13:53:46 -0400 Received: from stip-static-68.213-81-217.telecom.sk ([213.81.217.68] helo=gsql.ggedos.sk) by gsystem.sk with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1YoxkL-0000Ql-Gi for linux-scsi@vger.kernel.org; Sun, 03 May 2015 19:32:05 +0200 From: Ondrej Zary To: linux-scsi@vger.kernel.org Subject: [PATCH 14/34] atp870u: Remove ugly gotos #2 Date: Sun, 3 May 2015 19:31:30 +0200 Message-Id: <1430674310-11576-15-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1430674310-11576-1-git-send-email-linux@rainbow-software.org> References: <1430674310-11576-1-git-send-email-linux@rainbow-software.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 Signed-off-by: Ondrej Zary --- drivers/scsi/atp870u.c | 68 +++++++++++++++++++++--------------------------- 1 file changed, 30 insertions(+), 38 deletions(-) diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 88339e4..83dff58 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -617,7 +617,7 @@ static DEF_SCSI_QCMD(atp870u_queuecommand) */ static void send_s870(struct atp_unit *dev,unsigned char c) { - struct scsi_cmnd *workreq; + struct scsi_cmnd *workreq = NULL; unsigned int i;//,k; unsigned char j, target_id; unsigned char *prd; @@ -638,50 +638,42 @@ static void send_s870(struct atp_unit *dev,unsigned char c) if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) { dev->last_cmd[c] &= 0x0f; workreq = dev->id[c][dev->last_cmd[c]].curr_req; - if (workreq != NULL) { /* check NULL pointer */ - goto cmd_subp; - } - dev->last_cmd[c] = 0xff; - if (dev->quhd[c] == dev->quend[c]) { - dev->in_snd[c] = 0; - return ; + if (!workreq) { + dev->last_cmd[c] = 0xff; + if (dev->quhd[c] == dev->quend[c]) { + dev->in_snd[c] = 0; + return; + } } } - if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { - dev->in_snd[c] = 0; - return ; - } - dev->working[c]++; - j = dev->quhd[c]; - dev->quhd[c]++; - if (dev->quhd[c] >= qcnt) { - dev->quhd[c] = 0; - } - workreq = dev->quereq[c][dev->quhd[c]]; - if (dev->id[c][scmd_id(workreq)].curr_req == NULL) { + if (!workreq) { + if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { + dev->in_snd[c] = 0; + return; + } + dev->working[c]++; + j = dev->quhd[c]; + dev->quhd[c]++; + if (dev->quhd[c] >= qcnt) + dev->quhd[c] = 0; + workreq = dev->quereq[c][dev->quhd[c]]; + if (dev->id[c][scmd_id(workreq)].curr_req != NULL) { + dev->quhd[c] = j; + dev->working[c]--; + dev->in_snd[c] = 0; + return; + } dev->id[c][scmd_id(workreq)].curr_req = workreq; dev->last_cmd[c] = scmd_id(workreq); - goto cmd_subp; - } - dev->quhd[c] = j; - dev->working[c]--; - dev->in_snd[c] = 0; - return; -cmd_subp: - if ((inb(dev->ioport[c] + 0x1f) & 0xb0) != 0) { - goto abortsnd; - } - if (inb(dev->ioport[c] + 0x1c) == 0) { - goto oktosend; } -abortsnd: + if ((inb(dev->ioport[c] + 0x1f) & 0xb0) != 0 || inb(dev->ioport[c] + 0x1c) != 0) { #ifdef ED_DBGP - printk("Abort to Send\n"); + printk("Abort to Send\n"); #endif - dev->last_cmd[c] |= 0x40; - dev->in_snd[c] = 0; - return; -oktosend: + dev->last_cmd[c] |= 0x40; + dev->in_snd[c] = 0; + return; + } #ifdef ED_DBGP printk("OK to Send\n"); scmd_printk(KERN_DEBUG, workreq, "CDB");