From e0cb9da9d6dcb4aa7d8398f2b603311f2f63a12d Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Fri, 18 Dec 2015 09:54:19 +0200
Subject: [PATCH] Issue #25893: Removed unused variable reqdSize. Added test
 for return code for the last RegQueryValueExW.

---
 PC/getpathp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/PC/getpathp.c b/PC/getpathp.c
index 25b328b260c..c7ddf1ea6b3 100644
--- a/PC/getpathp.c
+++ b/PC/getpathp.c
@@ -321,7 +321,6 @@ getpythonregpath(HKEY keyBase, int skipcore)
     dataBuf = PyMem_RawMalloc((dataSize+1) * sizeof(WCHAR));
     if (dataBuf) {
         WCHAR *szCur = dataBuf;
-        DWORD reqdSize = dataSize;
         /* Copy our collected strings */
         for (index=0;index<numKeys;index++) {
             if (index > 0) {
@@ -349,6 +348,10 @@ getpythonregpath(HKEY keyBase, int skipcore)
             */
             rc = RegQueryValueExW(newKey, NULL, 0, NULL,
                                   (LPBYTE)szCur, &dataSize);
+            if (rc != ERROR_SUCCESS) {
+                PyMem_RawFree(dataBuf);
+                goto done;
+            }
         }
         /* And set the result - caller must free */
         retval = dataBuf;