[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/ddp.c b/net/appletalk/ddp.c
index e0d37d6..3be55c8 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -177,10 +177,9 @@
 
 	if (atomic_read(&sk->sk_wmem_alloc) ||
 	    atomic_read(&sk->sk_rmem_alloc)) {
-		init_timer(&sk->sk_timer);
+		setup_timer(&sk->sk_timer, atalk_destroy_timer,
+				(unsigned long)sk);
 		sk->sk_timer.expires	= jiffies + SOCK_DESTROY_TIME;
-		sk->sk_timer.function	= atalk_destroy_timer;
-		sk->sk_timer.data	= (unsigned long)sk;
 		add_timer(&sk->sk_timer);
 	} else
 		sock_put(sk);