On Thu, 5 Sep 2024 22:31:10 +0800 Jijie Shao wrote:

+	netdev->tstats = devm_netdev_alloc_pcpu_stats(&pdev->dev,
+						      struct pcpu_sw_netstats);
+	if (!netdev->tstats)
+		return -ENOMEM;

Please set 

	dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;

will allocate and free the stats for you.
This will also let other parts of the stack use the stats
since the type will be known (netdev->tstats is part of 
a union).
-- 
pw-bot: cr