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tools / cpupower: Fix no idle state information return value

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sysfs_get_idlestate_count() returns an unsigned int.  Returning -ENODEV
is not the right thing to do here, and in any case is handled the same
way as if there are no states found.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Prarit Bhargava 2014-12-14 09:06:38 -05:00 committed by Rafael J. Wysocki
parent ad1d8313cd
commit a59e5109f6
1 changed files with 1 additions and 1 deletions
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tools/power/cpupower/utils/helpers/sysfs.c
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@ -361,7 +361,7 @@ unsigned int sysfs_get_idlestate_count(unsigned int cpu)
snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpuidle");
if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
return -ENODEV;
return 0;
snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpu%u/cpuidle/state0", cpu);
if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))