[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/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 4bbacdd..782a226 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -811,10 +811,7 @@
 	session->intr_sock = intr_sock;
 	session->state     = BT_CONNECTED;
 
-	init_timer(&session->timer);
-
-	session->timer.function = hidp_idle_timeout;
-	session->timer.data     = (unsigned long) session;
+	setup_timer(&session->timer, hidp_idle_timeout, (unsigned long)session);
 
 	skb_queue_head_init(&session->ctrl_transmit);
 	skb_queue_head_init(&session->intr_transmit);