TOMOYO: Use RCU primitives for list operation

[net-next-2.6.git] / security / tomoyo / realpath.c

diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index e3c7aa0fb706ea2ec5beffbd4a31f203915c492e..62363b3bc7161b03b725c90d5a1523619c943599 100644 (file)
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -402,11 +402,13 @@ void __init tomoyo_realpath_init(void)
                INIT_LIST_HEAD(&tomoyo_name_list[i]);
        INIT_LIST_HEAD(&tomoyo_kernel_domain.acl_info_list);
        tomoyo_kernel_domain.domainname = tomoyo_save_name(TOMOYO_ROOT_NAME);
-       list_add_tail(&tomoyo_kernel_domain.list, &tomoyo_domain_list);
-       down_read(&tomoyo_domain_list_lock);
+       /*
+        * tomoyo_read_lock() is not needed because this function is
+        * called before the first "delete" request.
+        */
+       list_add_tail_rcu(&tomoyo_kernel_domain.list, &tomoyo_domain_list);
        if (tomoyo_find_domain(TOMOYO_ROOT_NAME) != &tomoyo_kernel_domain)
                panic("Can't register tomoyo_kernel_domain");
-       up_read(&tomoyo_domain_list_lock);
 }
 
 /* Memory allocated for temporary purpose. */