0001-Restores-stub-drain-function-to-avrisp2.patch

From 207ed833c4de43fa29dcbd97a3d1a7494bd9d3cc Mon Sep 17 00:00:00 2001
From: Shu Ning Bian <freespace@gmail.com>
Date: Wed, 18 Jul 2012 00:57:48 +1000
Subject: [PATCH] Restores stub drain function to avrisp2

---
 avrdude/usb_libusb.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/avrdude/usb_libusb.c b/avrdude/usb_libusb.c
index 2bb34b0..9add4f4 100644
--- a/avrdude/usb_libusb.c
+++ b/avrdude/usb_libusb.c
@@ -445,6 +445,11 @@ static int usbdev_recv_frame(union filedescriptor *fd, unsigned char *buf, size_
   return n;
 }
 
+static int usbdev_drain_stub(union filedescriptor *fd, int display)
+{
+  return 0;
+}
+
 static int usbdev_drain(union filedescriptor *fd, int display)
 {
   usb_dev_handle *udev = (usb_dev_handle *)fd->usb.handle;
@@ -482,7 +487,7 @@ struct serial_device usb_serdev_frame =
   .close = usbdev_close,
   .send = usbdev_send,
   .recv = usbdev_recv_frame,
-  .drain = usbdev_drain,
+  .drain = usbdev_drain_stub,
   .flags = SERDEV_FL_NONE,
 };
 
-- 
1.7.10.4