X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fpyvalues.c;h=78e6cf9d450413ed242fb73e6126a09f4dd86057;hb=b5230d45188e81ae58c889fa69e7e87b79359482;hp=4f5c4ce3ac41eb46f3172e5d8b0cee89a5d50b37;hpb=0f4dc42a2a786763134d9661273608cfb2f52821;p=collectd.git

diff --git a/src/pyvalues.c b/src/pyvalues.c
index 4f5c4ce3..78e6cf9d 100644
--- a/src/pyvalues.c
+++ b/src/pyvalues.c
@@ -427,10 +427,11 @@ static meta_data_t *cpy_build_meta(PyObject *meta) {
 		cpy_log_exception("building meta data");
 		return NULL;
 	}
-
 	s = PyList_Size(l);
-	if (s < 0)
+	if (s <= 0) {
+		Py_XDECREF(l);
 		return NULL;
+	}
 
 	m = meta_data_create();
 	for (i = 0; i < s; ++i) {