From patchwork Wed Mar 22 17:25:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 9639499 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1CAAD60328 for ; Wed, 22 Mar 2017 17:04:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12023277D9 for ; Wed, 22 Mar 2017 17:04:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 06E6A28456; Wed, 22 Mar 2017 17:04:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C9CA277D9 for ; Wed, 22 Mar 2017 17:04:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935561AbdCVRED (ORCPT ); Wed, 22 Mar 2017 13:04:03 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:4376 "EHLO dggrg02-dlp.huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1760873AbdCVQ6n (ORCPT ); Wed, 22 Mar 2017 12:58:43 -0400 Received: from 172.30.72.57 (EHLO DGGEML402-HUB.china.huawei.com) ([172.30.72.57]) by dggrg02-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AKI19569; Thu, 23 Mar 2017 00:54:46 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEML402-HUB.china.huawei.com (10.3.17.38) with Microsoft SMTP Server id 14.3.301.0; Thu, 23 Mar 2017 00:54:38 +0800 From: John Garry To: , CC: , , , , , John Garry , Xiang Chen Subject: [PATCH 06/23] scsi: hisi_sas: error hisi_sas_task_prep() when port down Date: Thu, 23 Mar 2017 01:25:22 +0800 Message-ID: <1490203539-228029-7-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1490203539-228029-1-git-send-email-john.garry@huawei.com> References: <1490203539-228029-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.58D2AC57.016B, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 9c736c0b940cc9234f36db0a3c60101f Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When sas_port is NULL, then return SAS_PHY_DOWN. In addition, when the sas_dev is gone then explicitly return SAS_PHY_DOWN. Signed-off-by: John Garry Signed-off-by: Xiang Chen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index f64c1b6..7c1fb75 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -200,7 +200,7 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba, */ if (device->dev_type != SAS_SATA_DEV) task->task_done(task); - return 0; + return SAS_PHY_DOWN; } if (DEV_IS_GONE(sas_dev)) { @@ -211,8 +211,7 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba, dev_info(dev, "task prep: device %016llx not ready\n", SAS_ADDR(device->sas_addr)); - rc = SAS_PHY_DOWN; - return rc; + return SAS_PHY_DOWN; } port = to_hisi_sas_port(sas_port);