From: Marek Schimara <Marek.Schimara@bull.net>
Date: Thu, 4 May 2017 08:29:50 +0000 (+0200)
Subject: bindings/rrdtoolmodule.c: fix Coverity CID #32887 Explicit null dereferenced
X-Git-Tag: v1.7.0~4^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a015ef3c5edba825fcce76775008b7ccfc4a8ef8;p=thirdparty%2Frrdtool-1.x.git

bindings/rrdtoolmodule.c: fix Coverity CID #32887 Explicit null dereferenced
---

diff --git a/bindings/python/rrdtoolmodule.c b/bindings/python/rrdtoolmodule.c
index 4eb7f394..754f5d30 100644
--- a/bindings/python/rrdtoolmodule.c
+++ b/bindings/python/rrdtoolmodule.c
@@ -1271,7 +1271,8 @@ _rrdtool_fetch_cb_wrapper(
                         }
 
                         Py_DECREF(exc_type);
-                        Py_DECREF(exc_value_str);
+                        if (exc_value_str != NULL)
+                            Py_DECREF(exc_value_str);
                         if (exc_tb != NULL)
                             Py_DECREF(exc_tb);
                         goto gil_release_free_dsnamv_err;