From patchwork Wed Sep 3 09:02:23 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 4831551 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B60E5C0338 for ; Wed, 3 Sep 2014 09:03:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA25B201CE for ; Wed, 3 Sep 2014 09:03:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9239B20115 for ; Wed, 3 Sep 2014 09:03:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755862AbaICJCd (ORCPT ); Wed, 3 Sep 2014 05:02:33 -0400 Received: from mail-wi0-f173.google.com ([209.85.212.173]:39720 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755858AbaICJCb (ORCPT ); Wed, 3 Sep 2014 05:02:31 -0400 Received: by mail-wi0-f173.google.com with SMTP id cc10so463067wib.0 for ; Wed, 03 Sep 2014 02:02:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=FLeh+sMtcaqcEHgHsZ8eemH4+BNMspQazKIYGURGd+c=; b=QudGozXGJ2r5Yk/zaRJdHw8J4rwzpb4Plh/0SAr984sw8waBnRe8swLENGrTYdr7p0 SQ4jM6YlqwNxTXIs2VNcoRpEgseiz6DdMan05Bu6zxtZvO29grv2WF3JHg04A3ywlEfS tSw0X/494GZNQgDGseJ60FeKbJNlKQ3+/IsLp3ZI1TukjVlaBpEBY7gR6n455ttwvzQM JqKR2vucPPfbUP4WdKrfbVCN5yi2In2c6iHTJ82a6WgV+SYCozC9vkm0r09P7Uq2vuHN wEJ2OkFoc/qq1btEg8Qz1O5mhj7lZiOkCGvpheDGRkrIt2K0OOyX+VjletWmfXcm/mcF dpAQ== X-Gm-Message-State: ALoCoQnDne1FIpCFl0xVPkd4aXkr+L5TDnZtiCUeYEG1lI5qfywkgsW+ihen0i0Inp8D0o00ydhB X-Received: by 10.180.88.167 with SMTP id bh7mr34576188wib.12.1409734947836; Wed, 03 Sep 2014 02:02:27 -0700 (PDT) Received: from localhost.localdomain ([85.235.11.236]) by mx.google.com with ESMTPSA id lp1sm3304423wic.21.2014.09.03.02.02.26 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 03 Sep 2014 02:02:27 -0700 (PDT) From: Ulf Hansson To: linux-mmc@vger.kernel.org, Chris Ball Cc: Ulf Hansson Subject: [PATCH] mmc: card: Prevent partition scan for the eMMC boot areas Date: Wed, 3 Sep 2014 11:02:23 +0200 Message-Id: <1409734943-21376-1-git-send-email-ulf.hansson@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-8.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It seems very unlikely that eMMC devices would hold a standard partitiontable in one of it's boot areas. Therefore, let's prevent them from being scanned. Signed-off-by: Ulf Hansson --- drivers/mmc/card/block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index ede41f0..b05c67f 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2131,7 +2131,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, md->disk->queue = md->queue.queue; md->disk->driverfs_dev = parent; set_disk_ro(md->disk, md->read_only || default_ro); - if (area_type & MMC_BLK_DATA_AREA_RPMB) + if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT)) md->disk->flags |= GENHD_FL_NO_PART_SCAN; /*