From 71e5bcee3d1121be680990cabe8ae5dff2a78807 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Mon, 4 Jan 2010 00:14:09 +0000
Subject: Fixed blocking CDC streams not aborting when the host is
 disconnected.

---
 LUFA/Drivers/USB/Class/Device/CDC.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'LUFA/Drivers/USB/Class/Device')

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();
 	}
-- 
cgit v1.2.3