tun_dev_open 1752 include/linux/lsm_hooks.h int (*tun_dev_open)(void *security); tun_dev_open 2017 include/linux/lsm_hooks.h struct hlist_head tun_dev_open; tun_dev_open 2171 security/security.c return call_int_hook(tun_dev_open, 0, security); tun_dev_open 7020 security/selinux/hooks.c LSM_HOOK_INIT(tun_dev_open, selinux_tun_dev_open),