diff options
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index ece120da3353..a5c368425e36 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -657,21 +657,18 @@ static ssize_t store_energy_performance_preference( { struct cpudata *cpu_data = all_cpu_data[policy->cpu]; char str_preference[21]; - int ret, i = 0; + int ret; ret = sscanf(buf, "%20s", str_preference); if (ret != 1) return -EINVAL; - while (energy_perf_strings[i] != NULL) { - if (!strcmp(str_preference, energy_perf_strings[i])) { - intel_pstate_set_energy_pref_index(cpu_data, i); - return count; - } - ++i; - } + ret = match_string(energy_perf_strings, -1, str_preference); + if (ret < 0) + return ret; - return -EINVAL; + intel_pstate_set_energy_pref_index(cpu_data, ret); + return count; } static ssize_t show_energy_performance_preference( |