rt_cookie 2577 net/ipv6/route.c u32 rt_cookie = 0; rt_cookie 2579 net/ipv6/route.c if (!fib6_get_cookie_safe(f6i, &rt_cookie) || rt_cookie != cookie) rt_cookie 2592 net/ipv6/route.c u32 rt_cookie = 0; rt_cookie 2594 net/ipv6/route.c if (!from || !fib6_get_cookie_safe(from, &rt_cookie) || rt_cookie 2595 net/ipv6/route.c rt_cookie != cookie)