From 3cb72d305d26a949ea04798bdb8283dd642ae763 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Mon, 9 Nov 2015 17:00:26 +0000
Subject: [PATCH] [MSAFD] - SO_LINGER is not supported for datagram sockets.
 Patch by Peter Hater. CORE-10440

svn path=/trunk/; revision=69856
---
 reactos/dll/win32/msafd/misc/dllmain.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/reactos/dll/win32/msafd/misc/dllmain.c b/reactos/dll/win32/msafd/misc/dllmain.c
index be1987dea3c..78032d339ff 100644
--- a/reactos/dll/win32/msafd/misc/dllmain.c
+++ b/reactos/dll/win32/msafd/misc/dllmain.c
@@ -2127,6 +2127,11 @@ WSPGetSockOpt(IN SOCKET Handle,
                     break;
 
                 case SO_LINGER:
+                    if (Socket->SharedData.SocketType == SOCK_DGRAM)
+                    {
+                        *lpErrno = WSAENOPROTOOPT;
+                        return SOCKET_ERROR;
+                    }
                     Buffer = &Socket->SharedData.LingerData;
                     BufferSize = sizeof(struct linger);
                     break;