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authorLaura Abbott <labbott@redhat.com>2016-10-19 15:53:52 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-11-01 06:16:52 +0100
commitc25badc9ceb612c6cc227a6fc4b0aaf678e3bcf9 (patch)
tree418ed952591e479ec9647974ac3b36760db95fbb /tools
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
downloadlinux-c25badc9ceb612c6cc227a6fc4b0aaf678e3bcf9.tar.bz2
cpupower: Correct return type of cpu_power_is_cpu_online() in cpufreq-set
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. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1374212 Fixes: ac5a181d065d (cpupower: Add cpuidle parts into library) Reported-by: Julian Seward <jseward@acm.org> Signed-off-by: Laura Abbott <labbott@redhat.com> Acked-by: Thomas Renninger <trenn@suse.com> Cc: 4.7+ <stable@vger.kernel.org> # 4.7+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/power/cpupower/utils/cpufreq-set.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c
index b4bf76971dc9..1eef0aed6423 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);