From 4ecfd48671b3caab869b72f95ba7c686321af6f1 Mon Sep 17 00:00:00 2001
From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Fri, 24 Feb 2012 10:50:49 +0000
Subject: [PATCH] Fixed possible NULL dereferencing in notice process

---
 psycopg/connection_int.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/psycopg/connection_int.c b/psycopg/connection_int.c
index 70465132..cb652249 100644
--- a/psycopg/connection_int.c
+++ b/psycopg/connection_int.c
@@ -120,8 +120,16 @@ conn_notice_process(connectionObject *self)
 
         /* Respect the order in which notices were produced,
            because in notice_list they are reversed (see ticket #9) */
-        PyList_Insert(self->notice_list, nnotices, msg);
-        Py_DECREF(msg);
+        if (msg) {
+            PyList_Insert(self->notice_list, nnotices, msg);
+            Py_DECREF(msg);
+        }
+        else {
+            /* We don't really have a way to report errors, so gulp it.
+             * The function should only fail for out of memory, so we are
+             * likely going to die anyway. */
+            PyErr_Clear();
+        }
 
         notice = notice->next;
     }