From 7aac046b318229981df61e75d2565a07b861d7b0 Mon Sep 17 00:00:00 2001
From: Juan Lang <juan.lang@gmail.com>
Date: Tue, 8 Jan 2008 11:40:27 -0800
Subject: [PATCH] Don't expect ImageGetCertificateData to succeed when Certificate is NULL
---
 dlls/wintrust/crypt.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/wintrust/crypt.c b/dlls/wintrust/crypt.c
index e69db9e..c919eef 100644
--- a/dlls/wintrust/crypt.c
+++ b/dlls/wintrust/crypt.c
@@ -218,10 +218,10 @@ BOOL WINAPI CryptSIPGetSignedDataMsg(SIP
     }
     else
     {
-        DWORD len;
+        DWORD len = 0;
 
         ret = ImageGetCertificateData(pSubjectInfo->hFile, dwIndex, NULL, &len);
-        if (!ret)
+        if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
             goto error;
         pCert = HeapAlloc(GetProcessHeap(), 0, len);
         if (!pCert)
-- 
1.4.1