4.14-stable review patch. If anyone has any objections, please let me know.
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From: Liao Chang liaochang1@huawei.com
[ Upstream commit 03997da042dac73c69e60d91942c727c76828b65 ]
Since the 'cpus' field of policy structure will become empty in the cpufreq core API, it is better to use 'related_cpus' in the exit() callback of driver.
Fixes: c3274763bfc3 ("cpufreq: powernow-k8: Initialize per-cpu data-structures properly") Signed-off-by: Liao Chang liaochang1@huawei.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/cpufreq/powernow-k8.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 32bb00a6fe099..3b9aa473ae8ff 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1120,7 +1120,8 @@ static int powernowk8_cpu_exit(struct cpufreq_policy *pol)
kfree(data->powernow_table); kfree(data); - for_each_cpu(cpu, pol->cpus) + /* pol->cpus will be empty here, use related_cpus instead. */ + for_each_cpu(cpu, pol->related_cpus) per_cpu(powernow_data, cpu) = NULL;
return 0;