From a2453433f1dee7587bcb0cc421693558e4655235 Mon Sep 17 00:00:00 2001
From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Thu, 10 Mar 2011 12:41:50 +0000
Subject: [PATCH 1/1] [MSAFD] - Correct calculating PollBufferSize - Found by
 DPH

svn path=/trunk/; revision=51007
---
 reactos/dll/win32/msafd/misc/dllmain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactos/dll/win32/msafd/misc/dllmain.c b/reactos/dll/win32/msafd/misc/dllmain.c
index 5714213cd5a..ca129414b97 100644
--- a/reactos/dll/win32/msafd/misc/dllmain.c
+++ b/reactos/dll/win32/msafd/misc/dllmain.c
@@ -907,7 +907,7 @@ WSPSelect(IN int nfds,
     }
 
     PollInfo->HandleCount = j;
-    PollBufferSize = ((PCHAR)&PollInfo->Handles[j+1]) - ((PCHAR)PollInfo);
+	PollBufferSize = sizeof(AFD_POLL_INFO) + (PollInfo->HandleCount > 1 ? sizeof(HANDLE) * ( PollInfo->HandleCount - 1) : 0);
 
     /* Send IOCTL */
     Status = NtDeviceIoControlFile((HANDLE)PollInfo->Handles[0].Handle,
-- 
2.17.1