From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2F503D4108 for ; Mon, 27 Jul 2026 22:25:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785191126; cv=none; b=Wq9kwO0B8EEJfAafs0M9+3mwumZsZXvQMZuV6k/gocHo7D8PMqzkqsBqSgk6aG2tawyMLWlTkxAc9X83NPrr+L9R6AVS9061NyPJT7nYjCxhxCqSKQkeVh3xbVdtmg7zEbe/+TQGf9yKFG6ju94f4bX0+HUoChXYVOFwRwwDwKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785191126; c=relaxed/simple; bh=s3ZEpV8Ml1G/UrCQY5WA4n22wSUoRbOOefTHP8GW85U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ginDglMNk0setpvLTJZiuPDJRdfjcFBZ274sL4kvfPD9RkiOGCndNiLRc7OJIwNFPwlWB3pMLhoeCcce88Jyy5HXO8d15Ap/UhMs5Lxpyxx7Hwn9FM7VsFUviqLmbEI2JBNtHeXW+R17XUpPGq//6dlgAMJlrgydEOzikLwUh9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RUScHWOa; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RUScHWOa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 038EC1F000E9; Mon, 27 Jul 2026 22:25:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785191125; bh=XPErj1XM/DbUqSswIRObVl8UIuhtc1DSMI2eOHU96PA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=RUScHWOaOxZK+ywrGxNppETg961ChFWY7NG2Nb8RNB6G66n5ry2By7w/wdSoomOv9 QApoObrqUrx/DvEoErKwSdS6M1IZioKihBxLMjCApR+f3YOJ6olWsOaw6TZPTqmVKe 8GfLF/7KuvcoTiVpEKfVuTqITlEh6UemMwJHI+fUk1mZFk03sU9K416oDoRL/zicf6 ZibUY1ZN+Wcm2DrqoMR1cZSFOndyM7Z9I2IXA52BHJ1c5vLgADYR0L4DpPgzYzksrA pan18x5hDQxO1gzlMeBreWBVkTNOFzg5V5hT0DTyY16L6zqHvjMYRTq079eAT8M/51 ccpX7qp0LHucw== From: Sasha Levin To: stable@vger.kernel.org Cc: Mikulas Patocka , Sasha Levin Subject: [PATCH 5.10.y] dm-integrity: don't increment hash_offset twice Date: Mon, 27 Jul 2026 18:25:23 -0400 Message-ID: <20260727222523.2142515-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026072050-unless-decompose-8395@gregkh> References: <2026072050-unless-decompose-8395@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Mikulas Patocka [ Upstream commit edf025f083854f80032b73a1aad69a3c90db236f ] 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 Assisted-by: Claude:claude-opus-4.6 Fixes: 84597a44a9d8 ("dm-integrity: dm integrity: add optional discard support") Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin --- drivers/md/dm-integrity.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 227ed3b4687323..eb13b98ba0a9c5 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1377,10 +1377,6 @@ static int dm_integrity_rw_tag(struct dm_integrity_c *ic, unsigned char *tag, se *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)); -- 2.53.0