X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FVirtioNetDxe%2FSnpReceive.c;h=cdee9a2aee477f750b8015e245ca54420e59807f;hb=f7978bb25869408ab24673beb9f83d9b81f8061c;hp=99abd7ebe454dde610296f665b12cf3c7b1cd6a7;hpb=56f65ed838e8d73e91d54a8ed984d777c936843c;p=mirror_edk2.git

diff --git a/OvmfPkg/VirtioNetDxe/SnpReceive.c b/OvmfPkg/VirtioNetDxe/SnpReceive.c
index 99abd7ebe4..cdee9a2aee 100644
--- a/OvmfPkg/VirtioNetDxe/SnpReceive.c
+++ b/OvmfPkg/VirtioNetDxe/SnpReceive.c
@@ -5,13 +5,7 @@
   Copyright (C) 2013, Red Hat, Inc.
   Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
 
-  This program and the accompanying materials are licensed and made available
-  under the terms and conditions of the BSD License which accompanies this
-  distribution. The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
-  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -82,6 +76,7 @@ VirtioNetReceive (
   UINT8      *RxPtr;
   UINT16     AvailIdx;
   EFI_STATUS NotifyStatus;
+  UINTN      RxBufOffset;
 
   if (This == NULL || BufferSize == NULL || Buffer == NULL) {
     return EFI_INVALID_PARAMETER;
@@ -143,7 +138,9 @@ VirtioNetReceive (
     *HeaderSize = Dev->Snm.MediaHeaderSize;
   }
 
-  RxPtr = (UINT8 *)(UINTN) Dev->RxRing.Desc[DescIdx + 1].Addr;
+  RxBufOffset = (UINTN)(Dev->RxRing.Desc[DescIdx + 1].Addr -
+                        Dev->RxBufDeviceBase);
+  RxPtr = Dev->RxBuf + RxBufOffset;
   CopyMem (Buffer, RxPtr, RxLen);
 
   if (DestAddr != NULL) {