Merge v7.1.5linux-rolling-stable

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 65c30dec8222..77c28367ee53 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1480,9 +1480,6 @@ thorough_test:
 			*metadata_offset = 0;
 		}
 
-		if (unlikely(!is_power_of_2(ic->tag_size)))
-			hash_offset = (hash_offset + to_copy) % ic->tag_size;
-
 		total_size -= to_copy;
 	} while (unlikely(total_size));
 
@@ -2523,6 +2520,9 @@ static int dm_integrity_map_inline(struct dm_integrity_io *dio, bool from_map)
 	if (unlikely((bio->bi_opf & REQ_PREFLUSH) != 0))
 		return DM_MAPIO_REMAPPED;
 
+	if (unlikely(!dm_integrity_check_limits(ic, bio->bi_iter.bi_sector, bio)))
+		return DM_MAPIO_KILL;
+
 retry:
 	if (!dio->integrity_payload) {
 		unsigned digest_size, extra_size;
@@ -2587,10 +2587,6 @@ skip_spinlock:
 
 	dio->bio_details.bi_iter = bio->bi_iter;
 
-	if (unlikely(!dm_integrity_check_limits(ic, bio->bi_iter.bi_sector, bio))) {
-		return DM_MAPIO_KILL;
-	}
-
 	bio->bi_iter.bi_sector += ic->start + SB_SECTORS;
 
 	bip = bio_integrity_alloc(bio, GFP_NOIO, 1);
@@ -2606,7 +2602,7 @@ skip_spinlock:
 			struct bio_vec bv = bio_iter_iovec(bio, dio->bio_details.bi_iter);
 			const char *mem = integrity_kmap(ic, bv.bv_page);
 			if (ic->tag_size < ic->tuple_size)
-				memset(dio->integrity_payload + pos + ic->tag_size, 0, ic->tuple_size - ic->tuple_size);
+				memset(dio->integrity_payload + pos + ic->tag_size, 0, ic->tuple_size - ic->tag_size);
 			integrity_sector_checksum(ic, &dio->ahash_req, dio->bio_details.bi_iter.bi_sector, mem, bv.bv_offset, dio->integrity_payload + pos);
 			integrity_kunmap(ic, mem);
 			pos += ic->tuple_size;