Merge "sched: fixes sched_boost_disable"

kernel/sched/boost.c

@@ -146,7 +146,7 @@ static int sched_effective_boost(void)
 static void sched_boost_disable(int type)
 {
 	struct sched_boost_data *sb = &sched_boosts[type];
-	int next_boost;
+	int next_boost, prev_boost = sched_boost_type;
 
 	if (sb->refcount <= 0)
 		return;
@@ -156,14 +156,15 @@ static void sched_boost_disable(int type)
 	if (sb->refcount)
 		return;
 
+	next_boost = sched_effective_boost();
+	if (next_boost == prev_boost)
+		return;
 	/*
 	 * This boost's refcount becomes zero, so it must
 	 * be disabled. Disable it first and then apply
 	 * the next boost.
 	 */
-	sb->exit();
-
-	next_boost = sched_effective_boost();
+	sched_boosts[prev_boost].exit();
 	sched_boosts[next_boost].enter();
 }
 

kernel/sched/core_ctl.c

@@ -883,10 +883,9 @@ int core_ctl_set_boost(bool boost)
 			if (!cluster->boost) {
 				ret = -EINVAL;
 				break;
-			} else {
-				--cluster->boost;
-				boost_state_changed = !cluster->boost;
 			}
+			--cluster->boost;
+			boost_state_changed = !cluster->boost;
 		}
 	}
 	spin_unlock_irqrestore(&state_lock, flags);