diff options
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 475e1a738560..776083963ee6 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -2402,6 +2402,8 @@ static void __exit loop_exit(void) range = max_loop ? max_loop << part_shift : 1UL << MINORBITS; + mutex_lock(&loop_ctl_mutex); + idr_for_each(&loop_index_idr, &loop_exit_cb, NULL); idr_destroy(&loop_index_idr); @@ -2409,6 +2411,8 @@ static void __exit loop_exit(void) unregister_blkdev(LOOP_MAJOR, "loop"); misc_deregister(&loop_misc); + + mutex_unlock(&loop_ctl_mutex); } module_init(loop_init); |