From 75463899c8ef90e5a429cb1dcd578ee2886e71d4 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Sat, 30 Mar 2013 01:49:19 +0100
Subject: [PATCH] dtrace: check if _handle property is set

Check that _handle is an object before trying to read its `fd`
property, avoids bogus values.
---
 src/node_dtrace.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/node_dtrace.cc b/src/node_dtrace.cc
index 9770ae2377..4318e8b49c 100644
--- a/src/node_dtrace.cc
+++ b/src/node_dtrace.cc
@@ -91,8 +91,12 @@ using namespace v8;
   } \
   node_dtrace_connection_t conn; \
   Local<Object> _##conn = Local<Object>::Cast(arg); \
-  Local<Object> _handle = (_##conn)->Get(String::New("_handle"))->ToObject(); \
-  SLURP_INT(_handle, fd, &conn.fd); \
+  Local<Value> _handle = (_##conn)->Get(String::New("_handle")); \
+  if (_handle->IsObject()) { \
+    SLURP_INT(_handle.As<Object>(), fd, &conn.fd); \
+  } else { \
+    conn.fd = -1; \
+  } \
   SLURP_STRING(_##conn, remoteAddress, &conn.remote); \
   SLURP_INT(_##conn, remotePort, &conn.port); \
   SLURP_INT(_##conn, bufferSize, &conn.buffered);