[NET]: Convert init_timer into setup_timer

Many-many code in the kernel initialized the timer->function
and  timer->data together with calling init_timer(timer). There
is already a helper for this. Use it for networking code.

The patch is HUGE, but makes the code 130 lines shorter
(98 insertions(+), 228 deletions(-)).

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c
index 6cfaad9..1cb98e8 100644
--- a/net/netrom/nr_timer.c
+++ b/net/netrom/nr_timer.c
@@ -40,21 +40,10 @@
 {
 	struct nr_sock *nr = nr_sk(sk);
 
-	init_timer(&nr->t1timer);
-	nr->t1timer.data     = (unsigned long)sk;
-	nr->t1timer.function = &nr_t1timer_expiry;
-
-	init_timer(&nr->t2timer);
-	nr->t2timer.data     = (unsigned long)sk;
-	nr->t2timer.function = &nr_t2timer_expiry;
-
-	init_timer(&nr->t4timer);
-	nr->t4timer.data     = (unsigned long)sk;
-	nr->t4timer.function = &nr_t4timer_expiry;
-
-	init_timer(&nr->idletimer);
-	nr->idletimer.data     = (unsigned long)sk;
-	nr->idletimer.function = &nr_idletimer_expiry;
+	setup_timer(&nr->t1timer, nr_t1timer_expiry, (unsigned long)sk);
+	setup_timer(&nr->t2timer, nr_t2timer_expiry, (unsigned long)sk);
+	setup_timer(&nr->t4timer, nr_t4timer_expiry, (unsigned long)sk);
+	setup_timer(&nr->idletimer, nr_idletimer_expiry, (unsigned long)sk);
 
 	/* initialized by sock_init_data */
 	sk->sk_timer.data     = (unsigned long)sk;