From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A45B7C433EF for ; Thu, 10 Feb 2022 11:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241152AbiBJLnD (ORCPT ); Thu, 10 Feb 2022 06:43:03 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241164AbiBJLmr (ORCPT ); Thu, 10 Feb 2022 06:42:47 -0500 Received: from esa6.hgst.iphmx.com (esa6.hgst.iphmx.com [216.71.154.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 464611022 for ; Thu, 10 Feb 2022 03:42:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1644493369; x=1676029369; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=35QePzbOKeA+/Ffi5CHtsZ5USOZqrahcT8z3vAl3Wv8=; b=Pe93bV537hAl7DjfMmC2+lL/tCsfrgUFu8AnFi5XH4GE7uv/+GpqUJMY H5hWvCT5Q/ilKFfBnqpltUozAzVblzOaIAN0V0AI1EDfJREaxPvFA6xek Axc+B+hMvBTwzUa3OsFnu0aLd5c3IjGRomz0ih4OzYftSC0J+WSVJe6am C6ntmD0+OlFitpLl8w4HQotV/F1cIZTuYFDuG+BDEn2yfYRNolOQ3v7of dEnDSN5bHpK/LHjXRiENygBsYLKa1YEmXZsGoB/yjyGhntxb4LTOIrTtS yfjaLgxvTJZVIBJwpqPZGxT3tF6gVeeuSqlMobUuJZXZelsFDwrg4mznM A==; X-IronPort-AV: E=Sophos;i="5.88,358,1635177600"; d="scan'208";a="193575669" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 10 Feb 2022 19:42:48 +0800 IronPort-SDR: XAWCeaJmptwjKCituU5oUwpZ1GAgEAF1wdoHY01II45KgtzGf92O6e9nACeBjuRrM4H4MK/A8z xaEM8QRUwHCvlzwJFg2Y6erq4yKJMaYI+SowgRyDhwPVmo8fB9IZRZWDBB1+n6j9oesu8cbbJb 48IjvlJpnKH5jNLncsdDLLjo0f6fRkGyYLzxRg5AQ15UnI+9Ut+jLDFzCDb9zmnwkia6orbTYm X31RgmRo0gAW3LespLTM7dUhvlBM2Hb6nDL+u36fe1aQPtMjNRCYHwUDUcSTCnYSMkYzFv0GAL SSJixAoyaVwyslcWTXke7JaL Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2022 03:15:45 -0800 IronPort-SDR: BdNkxjJ0ZpvF0twW8Ce0kzHCxOFKVOsDMNNyCRjJXjKDH2IsejJ7jJm/xkp+upmViDarGReVH4 cGV/JhWn1CZuhly7UJl3iGyHwOirck/pZ5RuTunmKp5QX1zXpwmVVpdezKFpEF3QaADFSR+SMI okbFFnml3OD0OEHE0fNcdFWRBOifyaPlXlKNFUOwqfJ+AB/UArc/inXnqznH8fcD7qFsFHy2gQ gnFq/PQ0Z3WJmSKKIFeuYnFls7u3aaanqKcklCttJKg13LlRbnWjlCURtOk/tbS9r6D0JESmhu H1Y= WDCIronportException: Internal Received: from usg-ed-osssrv.wdc.com ([10.3.10.180]) by uls-op-cesaip02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2022 03:42:48 -0800 Received: from usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTP id 4JvZcR5mTLz1SVny for ; Thu, 10 Feb 2022 03:42:47 -0800 (PST) Authentication-Results: usg-ed-osssrv.wdc.com (amavisd-new); dkim=pass reason="pass (just generated, assumed good)" header.d=opensource.wdc.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= opensource.wdc.com; h=content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:subject:to :from; s=dkim; t=1644493367; x=1647085368; bh=35QePzbOKeA+/Ffi5C HtsZ5USOZqrahcT8z3vAl3Wv8=; b=IvsgSWQS/0PFm1cTVJ4J+MhtirTpMesnvE waCGTg0zmdFVBv7QxfcuVEHCpdXRYipxCy8bUSk65/2UhCaCrjX7Ck+pIf9azNKs hSb8l5MAXy+brdLh39XCIQZxffovQ2JN0y8S8igljMHh8rM693GmzcRdA0Y+hJOU 6R5GQkL4LGyznTWm13095P7FpzrT9u0NTmQrlG29cQfXeqLTqETtEuSaRMP1K+oC bH3GxHtLaorfT9a6eiSsbjrLFN51uxgo8X73xZ2jwWjR9S+Qok4xEQ+j1/UX0Agk Pcie/R5znW3AL3F1Xf4UX1JmxlU0YwtQY/UoS0LbDHNnDzSjxiQQ== X-Virus-Scanned: amavisd-new at usg-ed-osssrv.wdc.com Received: from usg-ed-osssrv.wdc.com ([127.0.0.1]) by usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id dRI-Lglc76we for ; Thu, 10 Feb 2022 03:42:47 -0800 (PST) Received: from washi.fujisawa.hgst.com (washi.fujisawa.hgst.com [10.149.53.254]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4JvZcQ2lWLz1Rwrw; Thu, 10 Feb 2022 03:42:46 -0800 (PST) From: Damien Le Moal To: linux-scsi@vger.kernel.org, "Martin K . Petersen" , John Garry , Xiang Chen , Jason Yan , Luo Jiaxing Subject: [PATCH 19/20] scsi: pm8001: cleanup pm8001_queue_command() Date: Thu, 10 Feb 2022 20:42:17 +0900 Message-Id: <20220210114218.632725-20-damien.lemoal@opensource.wdc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220210114218.632725-1-damien.lemoal@opensource.wdc.com> References: <20220210114218.632725-1-damien.lemoal@opensource.wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Avoid repeatedly declaring "struct task_status_struct *ts" to handle error cases by declaring this variable for the entire function scope. This allows simplifying the error cases, and together with the addition of blank lines make the code more readable. Signed-off-by: Damien Le Moal --- drivers/scsi/pm8001/pm8001_sas.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm800= 1_sas.c index 711eaf81f546..929d3d3c9d3b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -383,54 +383,53 @@ static int pm8001_task_exec(struct sas_task *task, struct pm8001_device *pm8001_dev; struct pm8001_port *port =3D NULL; struct sas_task *t =3D task; + struct task_status_struct *ts =3D &t->task_status; struct pm8001_ccb_info *ccb; u32 tag =3D 0xdeadbeef, rc =3D 0, n_elem =3D 0; unsigned long flags =3D 0; enum sas_protocol task_proto =3D t->task_proto; =20 if (!dev->port) { - struct task_status_struct *tsm =3D &t->task_status; - tsm->resp =3D SAS_TASK_UNDELIVERED; - tsm->stat =3D SAS_PHY_DOWN; + ts->resp =3D SAS_TASK_UNDELIVERED; + ts->stat =3D SAS_PHY_DOWN; if (dev->dev_type !=3D SAS_SATA_DEV) t->task_done(t); return 0; } + pm8001_ha =3D pm8001_find_ha_by_dev(task->dev); if (pm8001_ha->controller_fatal_error) { - struct task_status_struct *ts =3D &t->task_status; - ts->resp =3D SAS_TASK_UNDELIVERED; t->task_done(t); return 0; } + pm8001_dbg(pm8001_ha, IO, "pm8001_task_exec device\n"); + spin_lock_irqsave(&pm8001_ha->lock, flags); + do { dev =3D t->dev; pm8001_dev =3D dev->lldd_dev; port =3D &pm8001_ha->port[sas_find_local_port_id(dev)]; + if (DEV_IS_GONE(pm8001_dev) || !port->port_attached) { + ts->resp =3D SAS_TASK_UNDELIVERED; + ts->stat =3D SAS_PHY_DOWN; if (sas_protocol_ata(task_proto)) { - struct task_status_struct *ts =3D &t->task_status; - ts->resp =3D SAS_TASK_UNDELIVERED; - ts->stat =3D SAS_PHY_DOWN; - spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); spin_lock_irqsave(&pm8001_ha->lock, flags); - continue; } else { - struct task_status_struct *ts =3D &t->task_status; - ts->resp =3D SAS_TASK_UNDELIVERED; - ts->stat =3D SAS_PHY_DOWN; t->task_done(t); - continue; } + continue; } + rc =3D pm8001_tag_alloc(pm8001_ha, &tag); if (rc) goto err_out; + ccb =3D &pm8001_ha->ccb_info[tag]; =20 if (!sas_protocol_ata(task_proto)) { --=20 2.34.1