--- kernel/sched.c.orig	2007-02-26 11:46:46.849841000 +0100
+++ kernel/sched.c	2007-02-26 12:04:09.283056000 +0100
@@ -4227,8 +4227,6 @@ recheck:
 	    (p->mm && param->sched_priority > MAX_USER_RT_PRIO-1) ||
 	    (!p->mm && param->sched_priority > MAX_RT_PRIO-1))
 		return -EINVAL;
-	if (is_rt_policy(policy) != (param->sched_priority != 0))
-		return -EINVAL;
 
 	/*
 	 * Allow unprivileged RT tasks to decrease priority:
@@ -4302,6 +4300,13 @@ recheck:
 
 	rt_mutex_adjust_pi(p);
 
+	if (!is_rt_policy(policy)) {
+                if (param->sched_priority == 8)
+                        set_user_nice(p, -20);
+                else
+                        set_user_nice(p, param->sched_priority-6);
+	}
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(sched_setscheduler);