Sincerely thank you for your guidance, v3 has been sent: https://lore.kernel.org/r/20240717-gpd_fan-v3-0-8d7efb1263b7@xxxxxxxxx+ pr_warn("GPD Fan Driver do have the quirk for your device, but it's not tested. Please tested carefully by model parameter gpd_fan_model=%s and report.\n",
+ match->model_name);
+ match = NULL;
+ }
+ }
+
+ if (IS_ERR_OR_NULL(match)) {
match is never an ERR_PTR.