From 6e92713cbafca57d48efdf2108fedb68addbb00b Mon Sep 17 00:00:00 2001
From: Puja Gupta <pujag@codeaurora.org>
Date: Thu, 16 Nov 2017 13:39:33 -0800
Subject: [PATCH] sched: Fix possible overflow in cpu_cycles_to_freq()

Truncating period to u32 could lead to incorrect results. Make it u64
instead.

Change-Id: I5224a943e64bc6d64b6c8e614a01f798a6cdc796
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
---
 kernel/sched/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 7426ae4dced3..c0e3314bf4c2 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1249,7 +1249,7 @@ static inline int cpu_min_power_cost(int cpu)
 	return cpu_rq(cpu)->cluster->min_power_cost;
 }
 
-static inline u32 cpu_cycles_to_freq(u64 cycles, u32 period)
+static inline u32 cpu_cycles_to_freq(u64 cycles, u64 period)
 {
 	return div64_u64(cycles, period);
 }