linux-kernel - [PATCH 5/6] dm-crypt: don't initialize cc

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Message-Id: <20250120082951.1423804-6-houtao@huaweicloud.com>
Date: Mon, 20 Jan 2025 16:29:50 +0800
From: Hou Tao <houtao@...weicloud.com>
To: dm-devel@...ts.linux.dev
Cc: linux-kernel@...r.kernel.org,
	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...nel.org>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Ignat Korchagin <ignat@...udflare.com>,
	houtao1@...wei.com
Subject: [PATCH 5/6] dm-crypt: don't initialize cc_sector again

From: Hou Tao <houtao1@...wei.com>

For aead_recheck case, cc_sector has already been initialized in
crypt_convert_init() when trying to re-read the read. Therefore, remove
the duplicated initialization.

Signed-off-by: Hou Tao <houtao1@...wei.com>
---
 drivers/md/dm-crypt.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 8cee6b660e90d..8b15f57af36a9 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2211,7 +2211,6 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
 	crypt_inc_pending(io);
 
 	if (io->ctx.aead_recheck) {
-		io->ctx.cc_sector = io->sector + cc->iv_offset;
 		r = crypt_convert(cc, &io->ctx,
 				  test_bit(DM_CRYPT_NO_READ_WORKQUEUE, &cc->flags), true);
 	} else {
-- 
2.29.2