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Viresh Kumar authored
The relation can't be invalid here, so if it turns out to be invalid, just WARN_ON_ONCE() and return 0. Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org> [ rjw: Subject and changelog edits ] Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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