On Wed, Aug 24, 2022 at 8:40 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > Even this is awkward. It's silly to look up the endpoint in a table > when you already know that it is endpoint 0. Just do: > > ep = &udev->ep0; > > with no need to check for NULL. After further checking, I realized that usb_device udev is created by ehset_single_step_set_feature and depends on usb_hcd and port. So I do not get why the endpoint is at udev->ep0. Can you help me with this? -- Khalid Masum
