On Fri, 18 Jul 2014, Nick Krause wrote: > I am assuming this is a stupid question but since I am new I will ask it anyway. > Can the usb_bus structure be Null? If can I will send it a patch removing the > fix mes on lines 854 and 878 of hcd.c . Line numbers in a source file usually aren't very useful. They're different in every version of the kernel. Instead just mention which functions you're talking about. It looks like authorized_default_show() and authorized_default_store(). Yes, it's true that usb_bus (which is a pointer, not a structure) can never be NULL. Alan Stern -- 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