diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-03-13 16:45:22 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-16 12:45:35 +0100 |
| commit | bbf860ed710bacc0279c4cda2817f70e1200d04b (patch) | |
| tree | cedf1de792dc0dc9c865e78960139b4b0e7f45fa /drivers/usb/gadget/composite.c | |
| parent | uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2 (diff) | |
| download | linux-bbf860ed710bacc0279c4cda2817f70e1200d04b.tar.xz linux-bbf860ed710bacc0279c4cda2817f70e1200d04b.zip | |
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: 93c473948c58 ("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>
Diffstat (limited to 'drivers/usb/gadget/composite.c')
| -rw-r--r-- | drivers/usb/gadget/composite.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index fa7dd6cf014d..5377d873c08e 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2079,10 +2079,9 @@ unknown: 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, |