Commit 17f81f9d authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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mtd_blkdevs: don't scan partitions for plain mtdblock 



mtdblock / mtdblock_ro set part_bits to 0 and thus nevever scanned
partitions.  Restore that behavior by setting the GENHD_FL_NO_PART flag.

Fixes: 1ebe2e5f ("block: remove GENHD_FL_EXT_DEVT")
Reported-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Tested-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211206070409.2836165-1-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent fea9f92f

drivers/mtd/mtd_blkdevs.c

+4 −2
Original line number Diff line number Diff line
@@ -346,7 +346,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) 
	gd->minors = 1 << tr->part_bits;

	gd->fops = &mtd_block_ops;



	if (tr->part_bits)

	if (tr->part_bits) {

		if (new->devnum < 26)

			snprintf(gd->disk_name, sizeof(gd->disk_name),

				 "%s%c", tr->name, 'a' + new->devnum);
@@ -355,9 +355,11 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) 
				 "%s%c%c", tr->name,

				 'a' - 1 + new->devnum / 26,

				 'a' + new->devnum % 26);

	else

	} else {

		snprintf(gd->disk_name, sizeof(gd->disk_name),

			 "%s%d", tr->name, new->devnum);

		gd->flags |= GENHD_FL_NO_PART;

	}



	set_capacity(gd, ((u64)new->size * tr->blksize) >> 9);