From 2754f0b18b723314a78d2cc8bc9d8cd4b6279e9b Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Fri, 12 Apr 2013 19:25:16 +0200
Subject: [PATCH 289/364] 	* grub-core/net/drivers/ieee1275/ofnet.c:
 Don't attempt to send more 	than buffer size.

---
 ChangeLog                              | 5 +++++
 grub-core/net/drivers/ieee1275/ofnet.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 1f6ad7c..ced68cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2013-04-12  Vladimir Serbinenko  <phcoder@gmail.com>
 
+	* grub-core/net/drivers/ieee1275/ofnet.c: Don't attempt to send more
+	than buffer size.
+
+2013-04-12  Vladimir Serbinenko  <phcoder@gmail.com>
+
 	Disable partmap check on i386-ieee1275 due to openfirmware issues.
 
 2013-04-12  Vladimir Serbinenko  <phcoder@gmail.com>
diff --git a/grub-core/net/drivers/ieee1275/ofnet.c b/grub-core/net/drivers/ieee1275/ofnet.c
index 1acfb73..cd9b159 100644
--- a/grub-core/net/drivers/ieee1275/ofnet.c
+++ b/grub-core/net/drivers/ieee1275/ofnet.c
@@ -79,7 +79,7 @@ send_card_buffer (struct grub_net_card *dev, struct grub_net_buff *pack)
 
   grub_memcpy (dev->txbuf, pack->data, len);
   status = grub_ieee1275_write (data->handle, dev->txbuf,
-				pack->tail - pack->data, &actual);
+				len, &actual);
 
   if (status)
     return grub_error (GRUB_ERR_IO, N_("couldn't send network packet"));
-- 
1.8.1.4