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Commit 629acb6a authored by Jonathan Brassow's avatar Jonathan Brassow Committed by NeilBrown
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MD: no integrity register if no gendisk 



Don't attempt md_integrity_register if there is no gendisk struct available.

When MD arrays are built via device-mapper, the gendisk structure is not
available via mddev.

Signed-off-by: default avatarJonathan Brassow <jbrassow@redhat.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 59c5f46f

drivers/md/md.c

+2 −2
Original line number Diff line number Diff line
@@ -1781,8 +1781,8 @@ int md_integrity_register(mddev_t *mddev) 


	if (list_empty(&mddev->disks))

		return 0; /* nothing to do */

	if (blk_get_integrity(mddev->gendisk))

		return 0; /* already registered */

	if (!mddev->gendisk || blk_get_integrity(mddev->gendisk))

		return 0; /* shouldn't register, or already is */

	list_for_each_entry(rdev, &mddev->disks, same_set) {

		/* skip spares and non-functional disks */

		if (test_bit(Faulty, &rdev->flags))