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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8EAF6ECDE20 for ; Wed, 11 Sep 2019 06:33:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5E24321D79 for ; Wed, 11 Sep 2019 06:33:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kF6VVTKu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E24321D79 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ZkiGBftyJPlzkAWhGfZLRVvWcm1KYhJ9HoSIawkE2Pk=; b=kF6VVTKuOcnUov cAzzsOMobKTjwDtpqgByQ9zEEFx1m5DP/VNxWrq7Guj5r6qtsmYQoaHx93KKqf9kv5TOLfDm4DmyR lfwk0xDleNAWNo+FJ4tyetA2xXxgNxN5ZMSei1SbWhiJ6V82Xk4tXY1I5Bpd9FfUCFVV/7+cRW3Ka Lq4aZ+j+WRhqY7JfSGI3jUA5uh7+nUCSiaUbE91o466UGrpyxfpwXhcrDTJAwKrhEHDVfah5DIlPT LmprNuU4en5abpFTnL7m2WEgyn3x0dLaAge6LK4OR0Z6ENgDMz5dLK5JDi4Sz2TGx1+BPunrl6dRf I1UdKCVh1KWKZEKG/oxA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i7wBj-0006rm-RP; Wed, 11 Sep 2019 06:33:12 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i7wBV-0006gg-Np; Wed, 11 Sep 2019 06:32:59 +0000 X-UUID: 10817411352a45c983144532ab019628-20190910 X-UUID: 10817411352a45c983144532ab019628-20190910 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 337924590; Tue, 10 Sep 2019 22:32:49 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 23:32:49 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Sep 2019 14:32:46 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 11 Sep 2019 14:32:46 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1] fixup null q->dev checking in both block and scsi layer Date: Wed, 11 Sep 2019 14:32:40 +0800 Message-ID: <1568183562-18241-1-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 132F359E13791AB27648D710E93C0462C44FA0D70584A38ED65C1DB61DF7ABA02000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190910_233257_778259_4E71D98E X-CRM114-Status: UNSURE ( 5.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, Stanley Chu , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some devices may skip blk_pm_runtime_init() and have null pointer in its request_queue->dev. For example, SCSI devices of UFS Well-Known LUNs. Currently the null pointer is checked by the user of blk_set_runtime_active(), i.e., scsi_dev_type_resume(). It is better to check it by blk_set_runtime_active() itself instead of by its users. Stanley Chu (2): block: bypass blk_set_runtime_active for uninitialized q->dev scsi: core: remove dummy q->dev check block/blk-pm.c | 3 +++ drivers/scsi/scsi_pm.c | 3 +-- 2 files changed, 4 insertions(+), 2 deletions(-) -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel