Commit 6e92713c authored Nov 16, 2017 by Puja Gupta Committed by Pavankumar Kondeti Jan 05, 2018

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>

parent 55cc722e

kernel/sched/sched.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}