On 2/8/25 3:31 PM, Markus Elfring wrote:
> …
>> +++ b/drivers/firmware/samsung/exynos-acpm.c
>> @@ -0,0 +1,771 @@
> …
>> +static int acpm_dequeue_by_polling(struct acpm_chan *achan,
>> + const struct acpm_xfer *xfer)
>> +{
> …
>> + do {
>> + mutex_lock(&achan->rx_lock);
>> + ret = acpm_get_rx(achan, xfer);
>> + mutex_unlock(&achan->rx_lock);
> …
>
> Under which circumstances would you become interested to apply a statement
> like “guard(mutex)(&achan->rx_lock);”?
> https://elixir.bootlin.com/linux/v6.13.1/source/include/linux/mutex.h#L201
I'll replace the open-coded mutex handling with cleanup.h guard(mutex)
and scoped_guard(mutex, ...), thanks.
Cheers,
ta
