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=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable 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 B6FF6C433E6 for ; Tue, 12 Jan 2021 09:36:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84E5122DD3 for ; Tue, 12 Jan 2021 09:36:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391211AbhALJg6 (ORCPT ); Tue, 12 Jan 2021 04:36:58 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:33057 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726211AbhALJg5 (ORCPT ); Tue, 12 Jan 2021 04:36:57 -0500 X-UUID: 5c86277b71ba40838df4e9af34201d29-20210112 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=Iu8lnmjN/TPe2FBwqAQYsax0J6qOLIwwrgKQk5YJHOg=; b=VKT6yj2cNfO9ljSkWFvDmKsvgQXy20VAalgAHc9Hm7xHcVabldaE2sYUxHJ91EtjO4o04XHM+aWSpNzseN/PrZRG0fdFg+jaAhMyPLm9WYyLzK29popoBTtD9xvKSJYGdICFGNnC23oMlwcRjprTF9p01AbM6E23iLLaZ1cShuE=; X-UUID: 5c86277b71ba40838df4e9af34201d29-20210112 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1150739987; Tue, 12 Jan 2021 17:36:10 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 12 Jan 2021 17:36:09 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 12 Jan 2021 17:36:09 +0800 Message-ID: <1610444169.17820.11.camel@mtkswgap22> Subject: Re: [PATCH 2/2] scsi: ufs: Protect PM ops and err_handler from user access through sysfs From: Stanley Chu To: Can Guo CC: , , , , , , , , , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Bean Huo , Nitin Rawat , Adrian Hunter , Bart Van Assche , "Satya Tangirala" , open list Date: Tue, 12 Jan 2021 17:36:09 +0800 In-Reply-To: <1609595975-12219-3-git-send-email-cang@codeaurora.org> References: <1609595975-12219-1-git-send-email-cang@codeaurora.org> <1609595975-12219-3-git-send-email-cang@codeaurora.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gU2F0LCAyMDIxLTAxLTAyIGF0IDA1OjU5IC0wODAwLCBDYW4gR3VvIHdyb3RlOg0KPiBVc2Vy IGxheWVyIG1heSBhY2Nlc3Mgc3lzZnMgbm9kZXMgd2hlbiBzeXN0ZW0gUE0gb3BzIG9yIGVycm9y IGhhbmRsaW5nDQo+IGlzIHJ1bm5pbmcsIHdoaWNoIGNhbiBjYXVzZSB2YXJpb3VzIHByb2JsZW1z LiBSZW5hbWUgZWhfc2VtIHRvIGhvc3Rfc2VtDQo+IGFuZCB1c2UgaXQgdG8gcHJvdGVjdCBQTSBv cHMgYW5kIGVycm9yIGhhbmRsaW5nIGZyb20gdXNlciBsYXllciBpbnRlcnZlbmUuDQo+IA0KPiBT aWduZWQtb2ZmLWJ5OiBDYW4gR3VvIDxjYW5nQGNvZGVhdXJvcmEub3JnPg0KPiANCg0KTG9va3Mg Z29vZCB0byBtZS4NCg0KRmVlbCBmcmVlIHRvIGFkZA0KUmV2aWV3ZWQtYnk6IFN0YW5sZXkgQ2h1 IDxzdGFubGV5LmNodUBtZWRpYXRlay5jb20+DQoNCg0K