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: NOleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>