--- a/kernel/sched_fair.c	2019-02-22 21:32:02.354631002 +0900
+++ b/kernel/sched_fair.c	2019-02-22 21:33:11.154631002 +0900
@@ -2275,7 +2275,13 @@
 	u64 total, available;
 
 	total = sched_avg_period() + (rq->clock - rq->age_stamp);
-	available = total - rq->rt_avg;
+
+	if (unlikely(total < rq->rt_avg)) {
+		/* Ensures that power won't end up being negative */
+		available = 0;
+	} else {
+		available = total - rq->rt_avg;
+	}
 
 	if (unlikely((s64)total < SCHED_LOAD_SCALE))
 		total = SCHED_LOAD_SCALE;
@@ -2826,7 +2832,9 @@
 	if (sds.this_load >= sds.max_load)
 		goto out_balanced;
 
-	sds.avg_load = (SCHED_LOAD_SCALE * sds.total_load) / sds.total_pwr;
+	sds.avg_load = (SCHED_LOAD_SCALE * sds.total_load) /
+					(sds.total_pwr?sds.total_pwr:1);
+
 
 	if (sds.this_load >= sds.avg_load)
 		goto out_balanced;