summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/block/loop.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 4acae248790c..a943207705dd 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -2404,6 +2404,8 @@ 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);
@@ -2411,6 +2413,8 @@ static void __exit loop_exit(void)
unregister_blkdev(LOOP_MAJOR, "loop");
misc_deregister(&loop_misc);
+
+ mutex_unlock(&loop_ctl_mutex);
}
module_init(loop_init);