From 43f2c6ff5b15d6feae2bd608e50503f7d4c62682 Mon Sep 17 00:00:00 2001
From: Ivo Danihelka <ivo@danihelka.net>
Date: Thu, 26 Aug 2010 12:14:53 +0200
Subject: improved null checking in zmq_term

---
 src/zmq.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/zmq.cpp b/src/zmq.cpp
index e9bfc53..d5e9673 100644
--- a/src/zmq.cpp
+++ b/src/zmq.cpp
@@ -269,13 +269,14 @@ void *zmq_init (int io_threads_)
 
 int zmq_term (void *ctx_)
 {
-    int rc = ((zmq::ctx_t*) ctx_)->terminate ();
-    int en = errno;
-
     if (!ctx_) {
         errno = EFAULT;
         return -1;
     }
+
+    int rc = ((zmq::ctx_t*) ctx_)->terminate ();
+    int en = errno;
+
 #if defined ZMQ_HAVE_OPENPGM
     //  Shut down the OpenPGM library.
     if (pgm_shutdown () != TRUE)
-- 
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