[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/appletalk/aarp.c b/net/appletalk/aarp.c
index 6c5c6dc..b950fb6 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -874,9 +874,7 @@
 	aarp_dl = register_snap_client(aarp_snap_id, aarp_rcv);
 	if (!aarp_dl)
 		printk(KERN_CRIT "Unable to register AARP with SNAP.\n");
-	init_timer(&aarp_timer);
-	aarp_timer.function = aarp_expire_timeout;
-	aarp_timer.data	    = 0;
+	setup_timer(&aarp_timer, aarp_expire_timeout, 0);
 	aarp_timer.expires  = jiffies + sysctl_aarp_expiry_time;
 	add_timer(&aarp_timer);
 	register_netdevice_notifier(&aarp_notifier);