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Commit d9dde59b authored by Jun'ichi Nomura's avatar Jun'ichi Nomura Committed by Linus Torvalds
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[PATCH] dm: missing bdput/thaw_bdev at removal 



Need to unfreeze and release bdev otherwise the bdev inode with
inconsistent state is reused later and cause problem.

Signed-off-by: default avatarJun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: default avatarAlasdair G Kergon <agk@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8dde0509

drivers/md/dm.c

+4 −0
Original line number Diff line number Diff line
@@ -849,6 +849,10 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent) 


static void free_dev(struct mapped_device *md)

{

	if (md->suspended_bdev) {

		thaw_bdev(md->suspended_bdev, NULL);

		bdput(md->suspended_bdev);

	}

	free_minor(md->disk->first_minor);

	mempool_destroy(md->tio_pool);

	mempool_destroy(md->io_pool);