From bd5c39edad535d9f6ccb99633930f9f7b768593c Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 23 Jun 2021 16:59:01 +0200 Subject: loop: reduce loop_ctl_mutex coverage in loop_exit loop_ctl_mutex is only needed to iterate the IDR for removing the loop devices, so reduce the coverage. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20210623145908.92973-3-hch@lst.de Signed-off-by: Jens Axboe --- drivers/block/loop.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 0e96f8c422b3..4a3712e4cf12 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -2549,13 +2549,14 @@ static int loop_exit_cb(int id, void *ptr, void *data) static void __exit loop_exit(void) { - mutex_lock(&loop_ctl_mutex); unregister_blkdev(LOOP_MAJOR, "loop"); misc_deregister(&loop_misc); + mutex_lock(&loop_ctl_mutex); idr_for_each(&loop_index_idr, &loop_exit_cb, NULL); - idr_destroy(&loop_index_idr); mutex_unlock(&loop_ctl_mutex); + + idr_destroy(&loop_index_idr); } module_init(loop_init); -- cgit v1.2.3