X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/58a39c6666cd9b085e402d5edc49d58fb759a9a3..71e5bcee3d1121be680990cabe8ae5dff2a78807:/LUFA/Drivers/USB/Class/Device/CDC.c

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index c274853de..16bc01549 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -263,6 +263,9 @@ static int CDC_Device_getchar_Blocking(FILE* Stream)
 {
 	while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
 	{
+		if (USB_DeviceState == DEVICE_STATE_Unattached)
+		  return _FDEV_EOF;
+	
 		CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
 		USB_USBTask();
 	}