From 8d622c2821dfe76816e3fe366003f26fbd42f578 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Tue, 2 Sep 2008 23:47:05 +0000
Subject: [PATCH]  - Fail if PrepareARPPacket returned NULL  - Fixes another
 possible crash

svn path=/branches/aicom-network-fixes/; revision=35899
---
 lib/drivers/ip/network/arp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/drivers/ip/network/arp.c b/lib/drivers/ip/network/arp.c
index 1ac2d5baaef..5c830589ca8 100644
--- a/lib/drivers/ip/network/arp.c
+++ b/lib/drivers/ip/network/arp.c
@@ -150,6 +150,8 @@ BOOLEAN ARPTransmit(PIP_ADDRESS Address, PIP_INTERFACE Interface)
         &Address->Address,               /* Target's (remote) protocol address */
         ARP_OPCODE_REQUEST);             /* ARP request */
 
+    if( !NdisPacket ) return FALSE;
+
     ASSERT_KM_POINTER(NdisPacket);
     ASSERT_KM_POINTER(PC(NdisPacket));
     PC(NdisPacket)->DLComplete = ARPTransmitComplete;