Fixed HID hpst class driver incorrectly binding to HID devices that do not have an OUT endpoint.

LUFA/Drivers/USB/Class/Host/HID.c

@@ -88,7 +88,7 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo
 		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
 
 		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		  DataINEndpoint = EndpointData;
+		  DataINEndpoint  = EndpointData;
 		else
 		  DataOUTEndpoint = EndpointData;
 	}
@@ -115,6 +115,9 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo
 		}
 		else if (PipeNum == HIDInterfaceInfo->Config.DataOUTPipeNumber)
 		{
+			if (DataOUTEndpoint == NULL)
+			  continue;
+		
 			Size            = DataOUTEndpoint->EndpointSize;
 			EndpointAddress = DataOUTEndpoint->EndpointAddress;
 			Token           = PIPE_TOKEN_OUT;

LUFA/ManPages/ChangeLog.txt

@@ -25,6 +25,7 @@
   *  <b>Fixed:</b>
   *  - Core:
   *   - Fixed broken USBFOO board drivers due to missing BOARD_USBFOO define
+  *   - Fixed HID hpst class driver incorrectly binding to HID devices that do not have an OUT endpoint
   *  - Library Applications:
   *   - Fixed Benito project discarding incoming data from the USB virtual serial port when the USART is busy
   *   - Fixed broken DFU bootloader, added XPLAIN support for bootloader start when XCK jumpered to ground