From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 9 Jul 2026 19:24:09 +0000 (+0200)
Subject: dm-integrity: don't increment hash_offset twice
X-Git-Tag: v7.2-rc3~11^2~11
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=edf025f083854f80032b73a1aad69a3c90db236f;p=thirdparty%2Fkernel%2Flinux.git

dm-integrity: don't increment hash_offset twice

hash_offset is already incremented in the loop "for (i = 0; i < to_copy;
i++, ts--)". Do not increment it again.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Assisted-by: Claude:claude-opus-4.6
Fixes: 84597a44a9d8 ("dm-integrity: dm integrity: add optional discard support")
Cc: stable@vger.kernel.org
---

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 02b2805ed33a..f5508b1bca11 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));