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path: root/drivers/cpufreq/cppc_cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index be4f62e2c5f1..945ab4942c1c 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -256,6 +256,16 @@ out:
return NULL;
}
+static void cppc_cpufreq_put_cpu_data(struct cpufreq_policy *policy)
+{
+ struct cppc_cpudata *cpu_data = policy->driver_data;
+
+ list_del(&cpu_data->node);
+ free_cpumask_var(cpu_data->shared_cpu_map);
+ kfree(cpu_data);
+ policy->driver_data = NULL;
+}
+
static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
{
unsigned int cpu = policy->cpu;
@@ -309,7 +319,8 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
default:
pr_debug("Unsupported CPU co-ord type: %d\n",
policy->shared_type);
- return -EFAULT;
+ ret = -EFAULT;
+ goto out;
}
/*
@@ -324,10 +335,16 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
cpu_data->perf_ctrls.desired_perf = caps->highest_perf;
ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
- if (ret)
+ if (ret) {
pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
caps->highest_perf, cpu, ret);
+ goto out;
+ }
+
+ return 0;
+out:
+ cppc_cpufreq_put_cpu_data(policy);
return ret;
}
@@ -345,12 +362,7 @@ static int cppc_cpufreq_cpu_exit(struct cpufreq_policy *policy)
pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
caps->lowest_perf, cpu, ret);
- /* Remove CPU node from list and free driver data for policy */
- free_cpumask_var(cpu_data->shared_cpu_map);
- list_del(&cpu_data->node);
- kfree(policy->driver_data);
- policy->driver_data = NULL;
-
+ cppc_cpufreq_put_cpu_data(policy);
return 0;
}