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mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions 

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 <andrew_gabbasov@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Andrew Gabbasov 2018-02-27 17:03:49 +05:30 committed by Ulf Hansson
parent aabaeb3f30
commit 207b652cdb
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/core/block.c
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@ -2353,7 +2353,8 @@ 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: