Rob Shearman : rpcrt4: Fix a memory leak in I_RpcSendReceive caused by I_RpcReceive overwriting pMsg- >Buffer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ca6fe3fbf249feb4c06fec3b613e21b644fa065e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ca6fe3fbf249feb4c06fec3b61...

Author: Rob Shearman <rob(a)codeweavers.com>
Date:   Wed Feb 21 17:12:41 2007 +0000

rpcrt4: Fix a memory leak in I_RpcSendReceive caused by I_RpcReceive overwriting pMsg->Buffer.

(Reported by Huw Davies.)

---

 dlls/rpcrt4/rpc_message.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/dlls/rpcrt4/rpc_message.c b/dlls/rpcrt4/rpc_message.c
index 574316d..8a02463 100644
--- a/dlls/rpcrt4/rpc_message.c
+++ b/dlls/rpcrt4/rpc_message.c
@@ -1030,10 +1030,16 @@ fail:
 RPC_STATUS WINAPI I_RpcSendReceive(PRPC_MESSAGE pMsg)
 {
   RPC_STATUS status;
+  RPC_MESSAGE original_message;
 
   TRACE("(%p)\n", pMsg);
+
+  original_message = *pMsg;
   status = I_RpcSend(pMsg);
   if (status == RPC_S_OK)
     status = I_RpcReceive(pMsg);
+  /* free the buffer replaced by a new buffer in I_RpcReceive */
+  if (status == RPC_S_OK)
+    I_RpcFreeBuffer(&original_message);
   return status;
 }