On Mon, Dec 9, 2019 at 6:22 PM Chuhong Yuan <hslester96@xxxxxxxxx> wrote: > > goldfish_init() misses a check for platform_device_register_simple(). > Add a check to fix it. Thanks for a patch. My comments below. > static int __init goldfish_init(void) > { > + struct platform_device *pdev; > + > if (!goldfish_enable) > return -ENODEV; > > - platform_device_register_simple("goldfish_pdev_bus", -1, > - goldfish_pdev_bus_resources, 2); > + pdev = platform_device_register_simple("goldfish_pdev_bus", -1, Perhaps idea for a separate patch or maybe here: -1 -> PLATFORM_DEVID_NONE > + goldfish_pdev_bus_resources, 2); > + if (IS_ERR(pdev)) > + return PTR_ERR(pdev); > + > return 0; This can use PTR_ERR_OR_ZERO() macro instead. > } -- With Best Regards, Andy Shevchenko