From patchwork Fri Mar 8 08:30:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 10844309 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CDE8A17E4 for ; Fri, 8 Mar 2019 08:31:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BA85A2E28B for ; Fri, 8 Mar 2019 08:31:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AAFCB2E2DA; Fri, 8 Mar 2019 08:31:37 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,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 5E3032E291 for ; Fri, 8 Mar 2019 08:31:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726443AbfCHIbg (ORCPT ); Fri, 8 Mar 2019 03:31:36 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:35688 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726323AbfCHIbg (ORCPT ); Fri, 8 Mar 2019 03:31:36 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5EF6D60386; Fri, 8 Mar 2019 08:31:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552033895; bh=b8MtlD+7/yGM3Lr8HhhhyH/yYBErhCRMJVXsCSAyx0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KnFYCLJWnb5yFdO0Why/MTY2vTdUWsC3oVCO0wIaCDgYLM48Z2ZZzbbeEXQQWbpxu g0NaTPBJ1VZ3RZjjPPBMffDr/Gju9wiKBrNt6/h5RJCRXbPtMebwnl5Gcw/cAkCe2j Cr+ra7iQs1GZmqM5XY9Khz3Z6mJ3h9VpWeysVkMk= Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 1E29260386; Fri, 8 Mar 2019 08:31:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552033894; bh=b8MtlD+7/yGM3Lr8HhhhyH/yYBErhCRMJVXsCSAyx0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QNhzKf7I8Heq3AHUlsH//wjoQhlUbA+Ecg+liLAO3Jg0XGCuxW2ZeUwgVcy95wplX /y0pL43n8wjWlYOO5aTDBViJ4ClX95iGURJa8M2QxmZ30LTr/lAUggmglmZ3Q4kfU2 iSPXc3ehtHELBWMBcjSHjnKYE4OYCuQFw+S4BU50= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 1E29260386 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=rnayak@codeaurora.org From: Rajendra Nayak To: vinholikatti@gmail.com, alim.akhtar@samsung.com, pedrom.Sousa@synopsys.com Cc: subhashj@codeaurora.org, asutoshd@codeaurora.org, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak Subject: [PATCH 2/3] scsi: ufs: Add error checks for pm_runtime_get_sync() Date: Fri, 8 Mar 2019 14:00:52 +0530 Message-Id: <20190308083053.30631-3-rnayak@codeaurora.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190308083053.30631-1-rnayak@codeaurora.org> References: <20190308083053.30631-1-rnayak@codeaurora.org> MIME-Version: 1.0 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 Add an error check for pm_runtime_get_sync(), ignoring this can hide issues with the runtime pm handling in the driver. Signed-off-by: Rajendra Nayak --- drivers/scsi/ufs/ufshcd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 2ddf24466a62..060dc38cc582 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8357,7 +8357,10 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) } /* Hold auto suspend until async scan completes */ - pm_runtime_get_sync(dev); + err = pm_runtime_get_sync(dev); + if (err < 0) + goto out_remove_scsi_host; + atomic_set(&hba->scsi_block_reqs_cnt, 0); /* * We are assuming that device wasn't put in sleep/power-down