Add missing function attributes.

[pub/lufa.git] / LUFA / Drivers / USB / Class / Host / CDC.h

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.h b/LUFA/Drivers/USB/Class/Host/CDC.h
index 9be6094..59ec137 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.h
+++ b/LUFA/Drivers/USB/Class/Host/CDC.h
@@ -334,12 +334,16 @@
                                #endif
 
                                void CDC_Host_Event_Stub(void) ATTR_CONST;
+                               
                                void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
                                                                           ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Host_Event_Stub);
 
-                               static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
-                               static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
-                               static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
+                                                                                     ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
+                                                                                  ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
+                                                                                      ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
                        #endif
        #endif