From: Mikulas Patocka mpatocka@redhat.com
commit 2d06dfecb132a1cc2e374a44eae83b5c4356b8b4 upstream.
Recalculate can only be specified with internal_hash.
Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Mikulas Patocka mpatocka@redhat.com Signed-off-by: Mike Snitzer snitzer@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/md/dm-integrity.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index bb99b599de770..1917051b512f5 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3515,6 +3515,12 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) r = -ENOMEM; goto bad; } + } else { + if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING)) { + ti->error = "Recalculate can only be specified with internal_hash"; + r = -EINVAL; + goto bad; + } }
ic->bufio = dm_bufio_client_create(ic->meta_dev ? ic->meta_dev->bdev : ic->dev->bdev,