From: Mikulas Patocka <mpatocka@xxxxxxxxxx>
commit 2d06dfecb132a1cc2e374a44eae83b5c4356b8b4 upstream.
Recalculate can only be specified with internal_hash.
Cc: stable@xxxxxxxxxxxxxxx # v4.19+
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/md/dm-integrity.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -4235,6 +4235,12 @@ try_smaller_buffer:
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,
