Hi Tomeu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on balbi-usb/next] [also build test WARNING on next-20180323] [cannot apply to v4.16-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tomeu-Vizoso/usb-dwc2-dwc2_vbus_supply_init-fix-error-check/20180324-063752 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next coccinelle warnings: (new ones prefixed by >>) >> drivers/usb/dwc2/hcd.c:367:9-16: ERROR: PTR_ERR applied after initialization to constant on line 366 vim +367 drivers/usb/dwc2/hcd.c 358 359 static int dwc2_vbus_supply_init(struct dwc2_hsotg *hsotg) 360 { 361 hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus"); 362 if (PTR_ERR(hsotg->vbus_supply) == -ENODEV) { 363 hsotg->vbus_supply = NULL; 364 return 0; 365 } else if (IS_ERR(hsotg->vbus_supply)) { > 366 hsotg->vbus_supply = NULL; > 367 return PTR_ERR(hsotg->vbus_supply); 368 } 369 370 return regulator_enable(hsotg->vbus_supply); 371 } 372 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html