- /*
- * Split off their lock-class, because sk->sk_dst_lock
- * gets used from softirqs, which is safe for
- * __icmpv6_socket (because those never get directly used
- * via userspace syscalls), but unsafe for normal sockets.
- */
- lockdep_set_class(&sk->sk_dst_lock,
- &icmpv6_socket_sk_dst_lock_key);