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

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

Fixes: 93c473948c ("usb: gadget: add WebUSB landing page support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-By: Jó Ágila Bitsch <jgilab@gmail.com>
Link: https://lore.kernel.org/r/20230313154522.52684-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2023-03-13 17:45:22 +02:00 committed by Greg Kroah-Hartman
parent a37eb61b6e
commit bbf860ed71
1 changed files with 3 additions and 4 deletions
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7
drivers/usb/gadget/composite.c
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@ -2079,10 +2079,9 @@ 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
- WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + landing_page_offset;
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,
cdev->landing_page + landing_page_offset,