[PATCH v2 1/4] Coresight: Add trace_id function to collect trace ID

[Markus Elfring]

> Add 'trace_id' function pointer in ops. It's responsible for collect the
…

                                          It is?               collecting?


…
> +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
…
> +	sink_data = kzalloc(sizeof(*sink_data), GFP_KERNEL);
> +	if (!sink_data)
> +		goto fail_end_stop;
…
> +	if (coresight_enable_path(path, CS_MODE_PERF, sink_data)) {
> +		kfree(sink_data);
>  		goto fail_end_stop;
> +	}
…

Would you like to to benefit any more from further applications of scope-based
resource management by using an attribute like “__free(kfree)”?
https://elixir.bootlin.com/linux/v6.10-rc7/source/include/linux/slab.h#L282

Regards,
Markus