From aa494d826ace02ffff5f29ae20b7738630913777 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Sun, 12 Nov 2017 09:58:25 -0800
Subject: QNetworkInterface/Win: fix MTU of Windows loopback interfaces

We document that -1 is not a valid value. The Windows structure's type
is unsigned, so the value is actually ULONG_MAX.

Change-Id: Ic632b4163d784b83951cfffd14f668645c4da3a9
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
---
 src/network/kernel/qnetworkinterface_win.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/network/kernel/qnetworkinterface_win.cpp b/src/network/kernel/qnetworkinterface_win.cpp
index 857e40215c..150553f673 100644
--- a/src/network/kernel/qnetworkinterface_win.cpp
+++ b/src/network/kernel/qnetworkinterface_win.cpp
@@ -151,7 +151,7 @@ static QList<QNetworkInterfacePrivate *> interfaceListing()
         else if (ptr->IfIndex != 0)
             iface->index = ptr->IfIndex;
 
-        iface->mtu = ptr->Mtu;
+        iface->mtu = qMin<qint64>(ptr->Mtu, INT_MAX);
         iface->flags = QNetworkInterface::CanBroadcast;
         if (ptr->OperStatus == IfOperStatusUp)
             iface->flags |= QNetworkInterface::IsUp | QNetworkInterface::IsRunning;
-- 
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