diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 576b312..c8b2ca0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -818,14 +818,11 @@ static int cpufreq_add_dev_symlink(struct cpufreq_policy *policy) continue; pr_debug("Adding link for CPU: %u\n", j); - cpufreq_cpu_get(policy->cpu); cpu_dev = get_cpu_device(j); ret = sysfs_create_link(&cpu_dev->kobj, &policy->kobj, "cpufreq"); - if (ret) { - cpufreq_cpu_put(policy); - return ret; - } + if (ret) + break; } return ret; } @@ -908,7 +905,8 @@ static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling, unsigned long flags; policy = cpufreq_cpu_get(sibling); - WARN_ON(!policy); + if (WARN_ON_ONCE(!policy)) + return -ENODATA; if (has_target) __cpufreq_governor(policy, CPUFREQ_GOV_STOP); @@ -930,16 +928,10 @@ static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling, } /* Don't touch sysfs links during light-weight init */ - if (frozen) { - /* Drop the extra refcount that we took above */ - cpufreq_cpu_put(policy); - return 0; - } - - ret = sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq"); - if (ret) - cpufreq_cpu_put(policy); + if (!frozen) + ret = sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq"); + cpufreq_cpu_put(policy); return ret; } #endif @@ -1298,12 +1290,6 @@ static int __cpufreq_remove_dev(struct device *dev, if (!frozen) cpufreq_policy_free(data); } else { - - if (!frozen) { - pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); - cpufreq_cpu_put(data); - } - if (cpufreq_driver->target) { __cpufreq_governor(data, CPUFREQ_GOV_START); __cpufreq_governor(data, CPUFREQ_GOV_LIMITS); |