[PATCH] drivers/cdrom/optcd.c: remove sleep_on()

From: Rick Lavoie <coldfury@cs.bu.edu>

Usage of sleep_on() is depricated. Replace with wait_event(), checking the
condition which triggers the wake-up to avoid race conditions.

Signed-of-by: Rick Lavoie <coldfury@bu.edu>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/cdrom/optcd.c
===================================================================
--- linux-kj.orig/drivers/cdrom/optcd.c	2006-01-18 02:21:18.000000000 +0300
+++ linux-kj/drivers/cdrom/optcd.c	2006-01-18 16:46:36.000000000 +0300
@@ -292,7 +292,7 @@ static int sleep_flag_low(int flag, unsi
 	flag_high = inb(STATUS_PORT) & flag;
 	if (flag_high && sleep_timeout > 0) {
 		mod_timer(&delay_timer, jiffies + HZ/100);
-		sleep_on(&waitq);
+		wait_event(waitq, ((inb(STATUS_PORT) & FL_STDT) != FL_STDT || sleep_timeout <= 0));
 		flag_high = inb(STATUS_PORT) & flag;
 	}