X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/08de757811bb2a17d21a35ca08205b4ed64613ff..710f31c54023b2fd85d37b0d849be3895b70f1cb:/LUFA/Drivers/USB/Class/Host/Printer.c?ds=sidebyside

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.c b/LUFA/Drivers/USB/Class/Host/Printer.c
index e69948b1e..ec56c314c 100644
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -142,7 +142,12 @@ static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor
 
 void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
 {
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return;
+
+	#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
 	PRNT_Host_Flush(PRNTInterfaceInfo);
+	#endif
 }
 
 uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)