From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Thu, 10 Mar 2011 12:41:50 +0000 (+0000)
Subject: [MSAFD]
X-Git-Tag: ReactOS-0.3.13~36
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=a2453433f1dee7587bcb0cc421693558e4655235

[MSAFD]
- Correct calculating PollBufferSize
- Found by DPH

svn path=/trunk/; revision=51007
---

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,