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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 31661C2D0C3 for ; Mon, 16 Dec 2019 18:45:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00254206A5 for ; Mon, 16 Dec 2019 18:45:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576521945; bh=SLLA6soTRudvRmoUb9fkFaD2Y3fKHbuYA00w0PGg8UI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=coZR/sHOpDr1+hi7HK2nsGd2BG1UJgu9dmqzsP7KoFx5fmQQspq1Lxz4opocXRxJF WuCgXHg4ocsPagaN59oC1yWlJQm3ApjPDI/BsV6PTNzWOUQD+U0PeiIKObUYcF8dv9 Fm9X7CZiDcwVxQ/Kptf7TdizEk/lNDJ2z8Sw4lw0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728359AbfLPR5E (ORCPT ); Mon, 16 Dec 2019 12:57:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:55552 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728085AbfLPR5A (ORCPT ); Mon, 16 Dec 2019 12:57:00 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8318F21582; Mon, 16 Dec 2019 17:56:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576519020; bh=SLLA6soTRudvRmoUb9fkFaD2Y3fKHbuYA00w0PGg8UI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YOrACA8yOJeRhU3fpDqS4MDZxuxBkWUs1uweFokndBIJc/bkj6xUmFR1X2is8ikBU 7l7PxkGiEZJTlsHYmPsUbav3utNx6JiS8f+mrKO4QS1QD0RZ5EN9ynRQq7XMKCOyf4 mmDVG/WjTyxAJhJQSOYOLwpJjxXqwAUQxOp1ko64= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Oliver Neukum Subject: [PATCH 4.14 162/267] USB: uas: heed CAPACITY_HEURISTICS Date: Mon, 16 Dec 2019 18:48:08 +0100 Message-Id: <20191216174911.377392511@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174848.701533383@linuxfoundation.org> References: <20191216174848.701533383@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oliver Neukum commit 335cbbd5762d5e5c67a8ddd6e6362c2aa42a328f upstream. There is no need to ignore this flag. We should be as close to storage in that regard as makes sense, so honor flags whose cost is tiny. Signed-off-by: Oliver Neukum Cc: stable Link: https://lore.kernel.org/r/20191114112758.32747-3-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/uas.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -845,6 +845,12 @@ static int uas_slave_configure(struct sc sdev->fix_capacity = 1; /* + * in some cases we have to guess + */ + if (devinfo->flags & US_FL_CAPACITY_HEURISTICS) + sdev->guess_capacity = 1; + + /* * Some devices don't like MODE SENSE with page=0x3f, * which is the command used for checking if a device * is write-protected. Now that we tell the sd driver