From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753614AbcIIRZ3 (ORCPT ); Fri, 9 Sep 2016 13:25:29 -0400 Received: from mail-yw0-f179.google.com ([209.85.161.179]:33568 "EHLO mail-yw0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751873AbcIIRZ2 (ORCPT ); Fri, 9 Sep 2016 13:25:28 -0400 From: Laura Abbott To: Thomas Renninger Cc: Laura Abbott , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] cpupower: Correct return type of cpu_power_is_cpu_online in cpufreq Date: Fri, 9 Sep 2016 10:25:19 -0700 Message-Id: <1473441919-7809-1-git-send-email-labbott@redhat.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When converting to a shared library in ac5a181d065d ("cpupower: Add cpuidle parts into library"), cpu_freq_cpu_exists was converted to cpupower_is_cpu_online. cpu_req_cpu_exists returned 0 on success and -ENOSYS on failure whereas cpupower_is_cpu_online returns 1 on success. Check for the correct return value in cpufreq-set. See https://bugzilla.redhat.com/show_bug.cgi?id=1374212 Fixes: ac5a181d065d ("cpupower: Add cpuidle parts into library") Reported-by: Julian Seward Signed-off-by: Laura Abbott --- tools/power/cpupower/utils/cpufreq-set.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index b4bf769..8971d71 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -296,7 +296,7 @@ int cmd_freq_set(int argc, char **argv) struct cpufreq_affected_cpus *cpus; if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) + cpupower_is_cpu_online(cpu) != 1) continue; cpus = cpufreq_get_related_cpus(cpu); @@ -316,7 +316,7 @@ int cmd_freq_set(int argc, char **argv) cpu <= bitmask_last(cpus_chosen); cpu++) { if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) + cpupower_is_cpu_online(cpu) != 1) continue; if (cpupower_is_cpu_online(cpu) != 1) -- 2.10.0