On 25-11-22, 10:12, Shang XiaoJing wrote: > sp_usb_phy_probe() will call platform_get_resource_byname() that may fail > and return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as > input, which may causes null-ptr-deref. Check the ret value of > platform_get_resource_byname() to avoid the null-ptr-deref. Applied, thanks -- ~Vinod