diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c
index 4a164ab8b35a65d864c1d83ebe72312624b15c4c..9fde75ed4facd50dcfacb9e455e82a5f3e42135b 100644
--- a/drivers/misc/cxl/main.c
+++ b/drivers/misc/cxl/main.c
@@ -222,6 +222,7 @@ static void exit_cxl(void)
 	cxl_debugfs_exit();
 	cxl_file_exit();
 	unregister_cxl_calls(&cxl_calls);
+	idr_destroy(&cxl_adapter_idr);
 }
 
 module_init(init_cxl);