Unregister the misc and blockdevice first to prevent further access,
and only then iterate to remove the devices.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/block/loop.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 081eb9aaeba8..44fa27c54ac2 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -2381,14 +2381,11 @@ static int loop_exit_cb(int id, void *ptr, void *data)
static void __exit loop_exit(void)
{
mutex_lock(&loop_ctl_mutex);
-
- idr_for_each(&loop_index_idr, &loop_exit_cb, NULL);
- idr_destroy(&loop_index_idr);
-
unregister_blkdev(LOOP_MAJOR, "loop");
-
misc_deregister(&loop_misc);
+ idr_for_each(&loop_index_idr, &loop_exit_cb, NULL);
+ idr_destroy(&loop_index_idr);
mutex_unlock(&loop_ctl_mutex);
}
--
2.30.2
