X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5430e1973ce21f4bc558257855a06baf6a28217c..cae0fa73d70f82820bd8d71c4d60b6aff8ccf3cb:/Bootloaders/CDC/BootloaderCDC.c

diff --git a/Bootloaders/CDC/BootloaderCDC.c b/Bootloaders/CDC/BootloaderCDC.c
index 0f7b266fc..cb6619edb 100644
--- a/Bootloaders/CDC/BootloaderCDC.c
+++ b/Bootloaders/CDC/BootloaderCDC.c
@@ -127,6 +127,13 @@ void EVENT_USB_Device_ConfigurationChanged(void)
  */
 void EVENT_USB_Device_ControlRequest(void)
 {
+	/* Ignore any requests that aren't directed to the CDC interface */
+	if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
+	    (REQTYPE_CLASS | REQREC_INTERFACE))
+	{
+		return;
+	}
+
 	/* Process CDC specific control requests */
 	switch (USB_ControlRequest.bRequest)
 	{