linux-kernel - [PATCH 13/15] pcd: fix ordering of unregister

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Message-Id: <20210830221000.179369-14-mcgrof@kernel.org>
Date:   Mon, 30 Aug 2021 15:09:58 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, justin@...aid.com, geert@...ux-m68k.org,
        ulf.hansson@...aro.org, hare@...e.de, tj@...nel.org,
        philipp.reisner@...bit.com, lars.ellenberg@...bit.com,
        jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        johannes.berg@...el.com, chris.obbard@...labora.com,
        krisman@...labora.com, zhuyifei1999@...il.com, thehajime@...il.com,
        chris@...kel.net, jcmvbkbc@...il.com, tim@...erelk.net
Cc:     linux-xtensa@...ux-xtensa.org, linux-um@...ts.infradead.org,
        linux-m68k@...ts.linux-m68k.org, drbd-dev@...ts.linbit.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 13/15] pcd: fix ordering of unregister_cdrom()

We first register cdrom and then we add_disk() and
so we we should likewise unregister the cdrom first and
then del_gendisk().

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 drivers/block/paride/pcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index a7fab3830d7b..82a654fc4db8 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -1021,9 +1021,9 @@ static void __exit pcd_exit(void)
 		if (!cd->present)
 			continue;
 
+		unregister_cdrom(&cd->info);
 		del_gendisk(cd->disk);
 		pi_release(cd->pi);
-		unregister_cdrom(&cd->info);
 		blk_cleanup_disk(cd->disk);
 
 		blk_mq_free_tag_set(&cd->tag_set);
-- 
2.30.2