Commit 030ab58b authored by Sakari Ailus's avatar Sakari Ailus Committed by Greg Kroah-Hartman
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usb: core: Parse eUSB2 companion descriptors for high speed devices only 



Check that a device is a high-speed one before proceeding to parse the
eUSB2 isochronous endpoint companion descriptors.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250820143824.551777-3-sakari.ailus@linux.intel.com
parent 97007653

drivers/usb/core/config.c

+2 −1
Original line number Diff line number Diff line
@@ -507,7 +507,8 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, 
	}



	/* Parse a possible eUSB2 periodic endpoint companion descriptor */

	if (bcdUSB == 0x0220 && !le16_to_cpu(d->wMaxPacketSize) &&

	if (udev->speed == USB_SPEED_HIGH && bcdUSB == 0x0220 &&

	    !le16_to_cpu(d->wMaxPacketSize) &&

	    (usb_endpoint_xfer_isoc(d) || usb_endpoint_xfer_int(d)))

		usb_parse_eusb2_isoc_endpoint_companion(ddev, cfgno, inum, asnum,

							endpoint, buffer, size);