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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Abhishek Goel <huntbag@linux.vnet.ibm.com>,
        Shuah Khan <shuahkh@osg.samsung.com>,
        Sasha Levin <alexander.levin@verizon.com>
Subject: [PATCH 4.14 034/156] cpupowerutils: bench - Fix cpu online check
Date:   Fri,  2 Feb 2018 17:56:55 +0100
Message-Id: <20180202140841.859086842@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Abhishek Goel <huntbag@linux.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@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 tools/power/cpupower/bench/system.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor,
 
 	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;