From: Thomas Faber <thomas.faber@reactos.org>
Date: Mon, 4 Dec 2017 20:13:43 +0000 (+0100)
Subject: [AFD] Respect the maximum receive buffer size for datagram sockets. CORE-14048
X-Git-Tag: 0.4.11-dev~413
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=05b4bd38338abce17ea3e2b8484baad3984a44cd

[AFD] Respect the maximum receive buffer size for datagram sockets. CORE-14048
---

diff --git a/drivers/network/afd/afd/bind.c b/drivers/network/afd/afd/bind.c
index 1962d226fa7..5d8e1973087 100644
--- a/drivers/network/afd/afd/bind.c
+++ b/drivers/network/afd/afd/bind.c
@@ -51,7 +51,7 @@ NTSTATUS WarmSocketForBind( PAFD_FCB FCB, ULONG ShareType ) {
                 Status = STATUS_NO_MEMORY;
         }
 
-        if (NT_SUCCESS(Status))
+        if (NT_SUCCESS(Status) && FCB->Recv.Content < FCB->Recv.Size)
         {
             Status = TdiReceiveDatagram(&FCB->ReceiveIrp.InFlightRequest,
                                         FCB->AddressFile.Object,
diff --git a/drivers/network/afd/afd/read.c b/drivers/network/afd/afd/read.c
index b0ff01add68..e786faa2515 100644
--- a/drivers/network/afd/afd/read.c
+++ b/drivers/network/afd/afd/read.c
@@ -681,7 +681,7 @@ PacketSocketRecvComplete(
     } else
         FCB->PollState &= ~AFD_EVENT_RECEIVE;
 
-    if( NT_SUCCESS(Irp->IoStatus.Status) ) {
+    if( NT_SUCCESS(Irp->IoStatus.Status) && FCB->Recv.Content < FCB->Recv.Size ) {
         /* Now relaunch the datagram request */
         Status = TdiReceiveDatagram
             ( &FCB->ReceiveIrp.InFlightRequest,