Changeset 41292 in vbox

Timestamp:

May 15, 2012 8:46:25 AM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

77958

Message:

DevVGA_VDMA: don't crash if there is no VGA driver attached

File:

• trunk/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp ¶

@@ -159 +159 @@
 static int vboxVDMACrCtlPostAsync (PVGASTATE pVGAState, PVBOXVDMACMD_CHROMIUM_CTL pCmd, uint32_t cbCmd, PFNVBOXVDMACRCTL_CALLBACK pfnCompletion, void *pvCompletion)
 {
-    if (pVGAState->pDrv->pfnCrHgsmiControlProcess)
+    if (   pVGAState->pDrv
+        && pVGAState->pDrv->pfnCrHgsmiControlProcess)
     {
         PVBOXVDMACMD_CHROMIUM_CTL_PRIVATE pHdr = VBOXVDMACMD_CHROMIUM_CTL_PRIVATE_FROM_CTL(pCmd);