From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laura Abbott Subject: [PATCHv2] cpupower: Correct return type of cpu_power_is_cpu_online in cpufreq Date: Fri, 23 Sep 2016 10:16:50 -0700 Message-ID: <1474651010-30883-1-git-send-email-labbott@redhat.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Thomas Renninger Cc: Laura Abbott , Shilpasri G Bhat , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@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 --- v2: Drop another redundant cpupower_is_cpu_online --- tools/power/cpupower/utils/cpufreq-set.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index b4bf769..1eef0ae 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); @@ -316,10 +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)) - continue; - - if (cpupower_is_cpu_online(cpu) != 1) + cpupower_is_cpu_online(cpu) != 1) continue; printf(_("Setting cpu: %d\n"), cpu); -- 2.7.4