smack_ipv6_lock 54 security/smack/smack_lsm.c static DEFINE_MUTEX(smack_ipv6_lock); smack_ipv6_lock 2597 security/smack/smack_lsm.c mutex_lock(&smack_ipv6_lock); smack_ipv6_lock 2599 security/smack/smack_lsm.c mutex_unlock(&smack_ipv6_lock);