../../usbd/usbd_ep0.c: In function 'standard_get_descriptor':
../../usbd/usbd_ep0.c:167:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (index < dev->info->device.desc->bNumConfigurations) {
^
../../usbd/usbd_ep0.c:173:2: note: here
case USB_DT_STRING:
^~~~
gcc warning:
https://github.com/insane-adding-machines/unicore-mx/blob/master/lib/usbd/usbd_ep0.c#L394