From: Neal Norwitz <nnorwitz@gmail.com>
Date: Wed, 14 Aug 2002 02:03:50 +0000 (+0000)
Subject: Fix memory leaks reported by valgrind
X-Git-Tag: v2.3c1~4486
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=72cf6a8c071864581a8a4b8d395b201de8ccfc82;p=python

Fix memory leaks reported by valgrind
---

diff --git a/Modules/mpzmodule.c b/Modules/mpzmodule.c
index 5974df14d7..4641298991 100644
--- a/Modules/mpzmodule.c
+++ b/Modules/mpzmodule.c
@@ -961,7 +961,7 @@ MPZ_powm(PyObject *self, PyObject *args)
 {
 	PyObject *base, *exp, *mod;
 	mpzobject *mpzbase = NULL, *mpzexp = NULL, *mpzmod = NULL;
-	mpzobject *z;
+	mpzobject *z = NULL;
 	int tstres;
 
 
@@ -975,10 +975,15 @@ MPZ_powm(PyObject *self, PyObject *args)
 		Py_XDECREF(mpzbase);
 		Py_XDECREF(mpzexp);
 		Py_XDECREF(mpzmod);
+		Py_XDECREF(z);
 		return NULL;
 	}
 
 	if ((tstres=mpz_cmp_ui(&mpzexp->mpz, (unsigned long int)0)) == 0) {
+		Py_DECREF(mpzbase);
+		Py_DECREF(mpzexp);
+		Py_DECREF(mpzmod);
+		Py_DECREF(z);
 		Py_INCREF(mpz_value_one);
 		return (PyObject *)mpz_value_one;
 	}
@@ -987,6 +992,7 @@ MPZ_powm(PyObject *self, PyObject *args)
 		Py_DECREF(mpzbase);
 		Py_DECREF(mpzexp);
 		Py_DECREF(mpzmod);
+		Py_DECREF(z);
 		PyErr_SetString(PyExc_ValueError, "modulus cannot be 0");
 		return NULL;
 	}