From 6f2ae254410b36a841d2ca9908e6d4dbd37dc511 Mon Sep 17 00:00:00 2001
From: Juan Lang <juan.lang@gmail.com>
Date: Fri, 27 Jul 2007 10:58:52 -0700
Subject: [PATCH] crypt32: Only destroy a decoded message's hash if it's been
 created.

---
 dlls/crypt32/msg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/crypt32/msg.c b/dlls/crypt32/msg.c
index bca40403559..f554c78456a 100644
--- a/dlls/crypt32/msg.c
+++ b/dlls/crypt32/msg.c
@@ -1255,7 +1255,8 @@ static void CDecodeMsg_Close(HCRYPTMSG hCryptMsg)
     switch (msg->type)
     {
     case CMSG_HASHED:
-        CryptDestroyHash(msg->u.hash);
+        if (msg->u.hash)
+            CryptDestroyHash(msg->u.hash);
         break;
     case CMSG_SIGNED:
         LocalFree(msg->u.signedInfo);