From 8355155f2298ed5d45ae5381edaf953fceb06b14 Mon Sep 17 00:00:00 2001
From: Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
Date: Tue, 3 Mar 2009 22:05:57 +0000
Subject: Fixed memory leak.

---
 Modules/sha256module.c | 14 ++++++++++++--
 Modules/sha512module.c | 14 ++++++++++++--
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index e10ab9e..f489f48 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -629,13 +629,18 @@ SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict)
     if (data_obj)
         GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf, NULL);
 
-    if ((new = newSHA256object()) == NULL)
+    if ((new = newSHA256object()) == NULL) {
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
+    }
 
     sha_init(new);
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
     }
     if (data_obj) {
@@ -665,13 +670,18 @@ SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict)
     if (data_obj)
         GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf, NULL);
 
-    if ((new = newSHA224object()) == NULL)
+    if ((new = newSHA224object()) == NULL) {
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
+    }
 
     sha224_init(new);
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
     }
     if (data_obj) {
diff --git a/Modules/sha512module.c b/Modules/sha512module.c
index 5e606cb..2481275 100644
--- a/Modules/sha512module.c
+++ b/Modules/sha512module.c
@@ -695,13 +695,18 @@ SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict)
     if (data_obj)
         GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf, NULL);
 
-    if ((new = newSHA512object()) == NULL)
+    if ((new = newSHA512object()) == NULL) {
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
+    }
 
     sha512_init(new);
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
     }
     if (data_obj) {
@@ -731,13 +736,18 @@ SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict)
     if (data_obj)
         GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf, NULL);
 
-    if ((new = newSHA384object()) == NULL)
+    if ((new = newSHA384object()) == NULL) {
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
+    }
 
     sha384_init(new);
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
+        if (data_obj)
+            PyBuffer_Release(&buf);
         return NULL;
     }
     if (data_obj) {
-- 
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