fn_r 1722 net/ipv6/ip6_fib.c struct fib6_node *fn_r = rcu_dereference_protected(fn->right, fn_r 1747 net/ipv6/ip6_fib.c if (fn_r) fn_r 1748 net/ipv6/ip6_fib.c child = fn_r, children |= 1;