diff options
Diffstat (limited to 'src/VBox/Devices/Network/DrvVDE.cpp')
-rw-r--r-- | src/VBox/Devices/Network/DrvVDE.cpp | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/VBox/Devices/Network/DrvVDE.cpp b/src/VBox/Devices/Network/DrvVDE.cpp index 5dd5ed2e..af0a36d5 100644 --- a/src/VBox/Devices/Network/DrvVDE.cpp +++ b/src/VBox/Devices/Network/DrvVDE.cpp @@ -5,7 +5,7 @@ /* * Contributed by Renzo Davoli. VirtualSquare. University of Bologna, 2010 - * Copyright (C) 2006-2010 Oracle Corporation + * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -480,12 +480,19 @@ static DECLCALLBACK(void) drvVDEDestruct(PPDMDRVINS pDrvIns) /* * Terminate the control pipe. */ - RTPipeClose(pThis->hPipeWrite); - pThis->hPipeWrite = NIL_RTPIPE; - RTPipeClose(pThis->hPipeRead); - pThis->hPipeRead = NIL_RTPIPE; + if (pThis->hPipeWrite != NIL_RTPIPE) + { + RTPipeClose(pThis->hPipeWrite); + pThis->hPipeWrite = NIL_RTPIPE; + } + if (pThis->hPipeRead != NIL_RTPIPE) + { + RTPipeClose(pThis->hPipeRead); + pThis->hPipeRead = NIL_RTPIPE; + } MMR3HeapFree(pThis->pszDeviceName); + pThis->pszDeviceName = NULL; /* * Kill the xmit lock. @@ -493,8 +500,11 @@ static DECLCALLBACK(void) drvVDEDestruct(PPDMDRVINS pDrvIns) if (RTCritSectIsInitialized(&pThis->XmitLock)) RTCritSectDelete(&pThis->XmitLock); - vde_close(pThis->pVdeConn); - pThis->pVdeConn = NULL; + if (pThis->pVdeConn) + { + vde_close(pThis->pVdeConn); + pThis->pVdeConn = NULL; + } #ifdef VBOX_WITH_STATISTICS /* |