… > +++ b/drivers/net/ethernet/intel/hbl_cn/common/hbl_cn.c > @@ -0,0 +1,5954 @@ … > +int hbl_cn_read_spmu_counters(struct hbl_cn_port *cn_port, u64 out_data[], u32 *num_out_data) > +{ … > + mutex_lock(&cn_port->cnt_lock); > + rc = port_funcs->spmu_sample(cn_port, *num_out_data, out_data); > + mutex_unlock(&cn_port->cnt_lock); > + > + return rc; > +} … Would you become interested to apply a statement like “guard(mutex)(&cn_port->cnt_lock);”? https://elixir.bootlin.com/linux/v6.10-rc4/source/include/linux/mutex.h#L196 Regards, Markus