On Wed, Nov 02, 2016 at 01:18:35AM +0000, Kuninori Morimoto wrote: > + platform = platform_device_register_full(&pdevinfo); > + if (IS_ERR_OR_NULL(platform)) > + return PTR_ERR(platform); This is wrong. If platform is NULL, PTR_ERR() will return zero, which will be interpreted as success. Please, avoid using IS_ERR_OR_NULL(), it leads to exactly this kind of cockup - and it's unnecessary here because platform_device_register_full() does not return NULL. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.
