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Message-Id: <20201210142603.565252708@linuxfoundation.org>
Date:   Thu, 10 Dec 2020 15:27:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Mike Snitzer <snitzer@...hat.com>
Subject: [PATCH 5.4 31/54] dm: remove invalid sparse __acquires and __releases annotations

From: Mike Snitzer <snitzer@...hat.com>

commit bde3808bc8c2741ad3d804f84720409aee0c2972 upstream.

Fixes sparse warnings:
drivers/md/dm.c:508:12: warning: context imbalance in 'dm_prepare_ioctl' - wrong count at exit
drivers/md/dm.c:543:13: warning: context imbalance in 'dm_unprepare_ioctl' - wrong count at exit

Fixes: 971888c46993f ("dm: hold DM table for duration of ioctl rather than use blkdev_get")
Cc: stable@...r.kernel.org
Signed-off-by: Mike Snitzer <snitzer@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/dm.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -495,7 +495,6 @@ out:
 
 static int dm_prepare_ioctl(struct mapped_device *md, int *srcu_idx,
 			    struct block_device **bdev)
-	__acquires(md->io_barrier)
 {
 	struct dm_target *tgt;
 	struct dm_table *map;
@@ -529,7 +528,6 @@ retry:
 }
 
 static void dm_unprepare_ioctl(struct mapped_device *md, int srcu_idx)
-	__releases(md->io_barrier)
 {
 	dm_put_live_table(md, srcu_idx);
 }


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