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Commit 951fd8ee authored by Ming Lei's avatar Ming Lei Committed by Greg Kroah-Hartman
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USB: usbtest: support test device with only one iso-in or iso-out endpoint 



It is very common that one altsetting may include only one iso-in or iso-out
single endpoint, especially for high bandwidth endpoint, so support it.

Signed-off-by: default avatarMing Lei <tom.leiming@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent e10e1bec

drivers/usb/misc/usbtest.c

+4 −1
Original line number Diff line number Diff line
@@ -136,7 +136,7 @@ try_iso: 
					iso_out = e;

			}

		}

		if ((in && out)  ||  (iso_in && iso_out))

		if ((in && out)  ||  iso_in || iso_out)

			goto found;

	}

	return -EINVAL;
@@ -162,6 +162,9 @@ found: 
		dev->in_iso_pipe = usb_rcvisocpipe (udev,

				iso_in->desc.bEndpointAddress

					& USB_ENDPOINT_NUMBER_MASK);

	}



	if (iso_out) {

		dev->iso_out = &iso_out->desc;

		dev->out_iso_pipe = usb_sndisocpipe (udev,

				iso_out->desc.bEndpointAddress