net_sched: initialize timer earlier in red_init()

net_sched: initialize timer earlier in red_init()

When red_init() fails, red_destroy() is called to clean up.
If the timer is not initialized yet, del_timer_sync() will
complain. So we have to move timer_setup() before any failure.

Reported-and-tested-by: [email protected]
Fixes: aee9caa03fc3 ("net: sched: sch_red: Add qevents "early_drop" and "mark"")
Cc: Petr Machata <[email protected]>
Cc: Jamal Hadi Salim <[email protected]>
Cc: Jiri Pirko <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Reviewed-by: Petr Machata <[email protected]>
Signed-off-by: David S. Miller <[email protected]>