Commit bbf860ed authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

usb: gadget: Use correct endianness of the wLength field for WebUSB 



WebUSB code uses wLength directly without proper endianness conversion.
Update it to use already prepared temporary variable w_length instead.

Fixes: 93c47394 ("usb: gadget: add WebUSB landing page support")
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-By: default avatarJó Ágila Bitsch <jgilab@gmail.com>
Link: https://lore.kernel.org/r/20230313154522.52684-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a37eb61b

drivers/usb/gadget/composite.c

+3 −4
Original line number Diff line number Diff line
@@ -2079,9 +2079,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) 
				sizeof(url_descriptor->URL)

				- WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + landing_page_offset);



			if (ctrl->wLength < WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH

					    + landing_page_length)

				landing_page_length = ctrl->wLength

			if (w_length < WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + landing_page_length)

				landing_page_length = w_length

				- WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + landing_page_offset;



			memcpy(url_descriptor->URL,