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authorViresh Kumar <viresh.kumar@linaro.org>2013-08-06 22:53:13 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-08-10 03:24:48 +0200
commit3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c (patch)
treeefe5c314af79f28840a2a31eb2e2ca992c0258ae /arch/x86
parentadc97d6a735dbb1e94cb4f1bf0b55f258b349941 (diff)
downloadop-kernel-dev-3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c.zip
op-kernel-dev-3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c.tar.gz
cpufreq: improve error checking on return values of __cpufreq_governor()
The __cpufreq_governor() function can fail in rare cases especially if there are bugs in cpufreq drivers. Thus we must stop processing as soon as this routine fails, otherwise it may result in undefined behavior. This patch adds error checking code whenever this routine is called from any place. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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