On Thu, Nov 12, 2020 at 06:15:08PM +0000, John Boero wrote: > Then why does line 278 right below it check for NULL? Are you asking about line 278 in drivers/usb/core/usb.c? The statement which says: if (!config) return NULL; This is because it is perfectly valid for config to be NULL at this point. But it is not valid for dev to be NULL. If dev is NULL then there is a bug in the caller. Alan Stern
