[PATCH] introduce setup_timer() helper

[Oleg Nesterov <oleg@tv-sign.ru>]

Every user of init_timer() also needs to initialize ->function and
->data fields. This patch adds a simple setup_timer() helper for that.

The schedule_timeout() is patched as an example of usage.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

--- 2.6.14-rc1/include/linux/timer.h~4_SETUP	2005-09-17 18:57:30.000000000 +0400
+++ 2.6.14-rc1/include/linux/timer.h	2005-09-18 20:55:15.000000000 +0400
@@ -38,6 +38,15 @@ extern struct timer_base_s __init_timer_
 
 void fastcall init_timer(struct timer_list * timer);
 
+static inline void setup_timer(struct timer_list * timer,
+				void (*function)(unsigned long),
+				unsigned long data)
+{
+	timer->function = function;
+	timer->data = data;
+	init_timer(timer);
+}
+
 /***
  * timer_pending - is a timer pending?
  * @timer: the timer in question
--- 2.6.14-rc1/kernel/timer.c~4_SETUP	2005-09-17 18:57:30.000000000 +0400
+++ 2.6.14-rc1/kernel/timer.c	2005-09-18 20:59:43.000000000 +0400
@@ -1137,12 +1137,8 @@ fastcall signed long __sched schedule_ti
 
 	expire = timeout + jiffies;
 
-	init_timer(&timer);
-	timer.expires = expire;
-	timer.data = (unsigned long) current;
-	timer.function = process_timeout;
-
-	add_timer(&timer);
+	setup_timer(&timer, process_timeout, (unsigned long)current);
+	__mod_timer(&timer, expire);
 	schedule();
 	del_singleshot_timer_sync(&timer);