2022-05-08 09:50:20

by Schspa Shi

[permalink] [raw]
Subject: [PATCH] cpufreq: fix typo when cpufreq device remove

This should check cpufreq_driver->exit pointer before call this function

Fixes: 91a12e91dc39 ("cpufreq: Allow light-weight tear down and bring up of
CPUs")

Signed-off-by: Schspa Shi <[email protected]>
---
drivers/cpufreq/cpufreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 43dfaa8124e2..0f59c8ec2b39 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1661,7 +1661,7 @@ static void cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)

if (cpumask_empty(policy->real_cpus)) {
/* We did light-weight exit earlier, do full tear down now */
- if (cpufreq_driver->offline)
+ if (cpufreq_driver->exit)
cpufreq_driver->exit(policy);

cpufreq_policy_free(policy);
--
2.24.3 (Apple Git-128)



2022-05-09 10:03:28

by Viresh Kumar

[permalink] [raw]
Subject: Re: [PATCH] cpufreq: fix typo when cpufreq device remove

On 07-05-22, 01:08, Schspa Shi wrote:
> This should check cpufreq_driver->exit pointer before call this function
>
> Fixes: 91a12e91dc39 ("cpufreq: Allow light-weight tear down and bring up of
> CPUs")
>
> Signed-off-by: Schspa Shi <[email protected]>
> ---
> drivers/cpufreq/cpufreq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index 43dfaa8124e2..0f59c8ec2b39 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -1661,7 +1661,7 @@ static void cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
>
> if (cpumask_empty(policy->real_cpus)) {
> /* We did light-weight exit earlier, do full tear down now */
> - if (cpufreq_driver->offline)
> + if (cpufreq_driver->exit)
> cpufreq_driver->exit(policy);
>
> cpufreq_policy_free(policy);

NAK.

The code is doing fine and there is a comment above it on why it is
doing it this way.

--
viresh