On Wed, Oct 23, 2013 at 02:58:04PM +0200, Stephane Eranian wrote:
SNIP
> +
> + perf_cpu_notifier(rapl_cpu_notifier);
> +
> + ret = perf_pmu_register(&rapl_pmu_class, "power", -1);
> + WARN_ON(ret);
> + if (!ret) {
> + pr_info("RAPL PMU detected, registration failed, RAPL PMU
> disabled\n");
> + put_online_cpus();
> + return -1;
> + }
should above rather be:
if (WARN_ON(ret)) {
pr_info("RAPL PMU detected, registration failed, RAPL PMU
disabled\n");
jirka
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