vbox的更動 4194 路徑 trunk/src/VBox/Devices/VMMDev

時間撮記:

2007-8-16 下午10:54:02 (17 年 以前)

作者:

vboxsync

訊息:

Don't crash if there ain't no driver attached.

檔案:

• trunk/src/VBox/Devices/VMMDev/VBoxDev.cpp (修改) (2 筆差異)

trunk/src/VBox/Devices/VMMDev/VBoxDev.cpp

@@ -1768 +1768 @@
      */
     Log(("vmmdevLoadState: capabilities changed (%x), informing connector\n", pData->mouseCapabilities));
-    pData->pDrv->pfnUpdateMouseCapabilities(pData->pDrv, pData->mouseCapabilities);
+    if (pData->pDrv)
+        pData->pDrv->pfnUpdateMouseCapabilities(pData->pDrv, pData->mouseCapabilities);
 
     /* Reestablish the acceleration status. */
-    if (pData->u32VideoAccelEnabled)
+    if (    pData->u32VideoAccelEnabled
+        &&  pData->pDrv)
     {
         pData->pDrv->pfnVideoAccelEnable (pData->pDrv, !!pData->u32VideoAccelEnabled, &pData->pVMMDevRAMHC->vbvaMemory);
@@ -1781 +1783 @@
                 pData->guestInfo.additionsVersion,
                 pData->guestInfo.osType));
-        pData->pDrv->pfnUpdateGuestVersion(pData->pDrv, &pData->guestInfo);
-    }
-    pData->pDrv->pfnUpdateGuestCapabilities(pData->pDrv, pData->guestCaps);
+        if (pData->pDrv)
+            pData->pDrv->pfnUpdateGuestVersion(pData->pDrv, &pData->guestInfo);
+    }
+    if (pData->pDrv)
+        pData->pDrv->pfnUpdateGuestCapabilities(pData->pDrv, pData->guestCaps);
 
     return VINF_SUCCESS;