From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932069AbeB0Ld5 (ORCPT ); Tue, 27 Feb 2018 06:33:57 -0500 Received: from relay1.mentorg.com ([192.94.38.131]:47750 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752439AbeB0Ldz (ORCPT ); Tue, 27 Feb 2018 06:33:55 -0500 From: Harish Jenny K N To: , , , CC: , , Subject: [PATCH] mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions Date: Tue, 27 Feb 2018 17:03:49 +0530 Message-ID: <1519731229-19141-1-git-send-email-harish_kandiga@mentor.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrew Gabbasov Since RPMB area is accessible via special ioctl only and boot areas are unlikely to contain any partitions, exclude them all from listing in /proc/partitions. This will hide them from various user-level software (e.g. fdisk), thus avoiding unnecessary access attempts. Signed-off-by: Andrew Gabbasov Signed-off-by: Harish Jenny K N --- drivers/mmc/core/block.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 20135a5..376e47e 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -2341,7 +2341,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, set_disk_ro(md->disk, md->read_only || default_ro); md->disk->flags = GENHD_FL_EXT_DEVT; if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT)) - md->disk->flags |= GENHD_FL_NO_PART_SCAN; + md->disk->flags |= GENHD_FL_NO_PART_SCAN + | GENHD_FL_SUPPRESS_PARTITION_INFO; /* * As discussed on lkml, GENHD_FL_REMOVABLE should: -- 1.9.1