linux-kernel - [PATCH AUTOSEL for 4.9 02/55] cpupowerutils: bench

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Message-ID: <20180124041521.32223-2-alexander.levin@microsoft.com>
Date:   Wed, 24 Jan 2018 04:15:28 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     Abhishek Goel <huntbag@...ux.vnet.ibm.com>,
        Shuah Khan <shuahkh@....samsung.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.9 02/55] cpupowerutils: bench - Fix cpu online
 check

From: Abhishek Goel <huntbag@...ux.vnet.ibm.com>

[ Upstream commit 53d1cd6b125fb9d69303516a1179ebc3b72f797a ]

cpupower_is_cpu_online was incorrectly checking for 0. This patch fixes
this by checking for 1 when the cpu is online.

Signed-off-by: Abhishek Goel <huntbag@...ux.vnet.ibm.com>
Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 tools/power/cpupower/bench/system.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
index c25a74ae51ba..2bb3eef7d5c1 100644
--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
 
 	dprintf("set %s as cpufreq governor\n", governor);
 
-	if (cpupower_is_cpu_online(cpu) != 0) {
+	if (cpupower_is_cpu_online(cpu) != 1) {
 		perror("cpufreq_cpu_exists");
 		fprintf(stderr, "error: cpu %u does not exist\n", cpu);
 		return -1;
-- 
2.11.0