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btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks()

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commit 9af503d91298c3f2945e73703f0e00995be08c30 upstream.

The previous patch that replaced BUG_ON by error handling forgot to
unlock the mutex in the error path.

Link: https://lore.kernel.org/all/Zh%2fHpAGFqa7YAFuM@duo.ucw.cz
Reported-by: Pavel Machek <pavel@denx.de>
Fixes: 7411055db5ce ("btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()")
CC: stable@vger.kernel.org
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Dominique Martinet <dominique.martinet@atmark-techno.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Dominique Martinet <dominique.martinet@atmark-techno.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dominique Martinet 2024-04-19 11:22:48 +09:00 committed by Greg Kroah-Hartman
parent 99951b62bf
commit c48ab6a4cd
1 changed files with 1 additions and 0 deletions
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fs/btrfs/volumes.c
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@ -3194,6 +3194,7 @@ static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info)
* alignment and size).
*/
ret = -EUCLEAN;
mutex_unlock(&fs_info->delete_unused_bgs_mutex);
goto error;
}