Changeset 1774 in vbox

Timestamp:

Mar 28, 2007 2:27:16 PM (18 years ago)

Author:

vboxsync

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

19944

Message:

Destroy drivers in filo order.

File:

• trunk/src/VBox/VMM/PDM.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/PDM.cpp

@@ -333 +333 @@
     {
         for (PPDMLUN pLun = pDevIns->Internal.s.pLunsHC; pLun; pLun = pLun->pNext)
-            for (PPDMDRVINS pDrvIns = pLun->pTop; pDrvIns; pDrvIns = pDrvIns->Internal.s.pDown)
+        {
+            PPDMDRVINS pDrvIns;
+
+            /* Find the bottom driver */
+            for (pDrvIns = pLun->pTop; pDrvIns && pDrvIns->Internal.s.pDown; pDrvIns = pDrvIns->Internal.s.pDown)
+                ;
+
+            /* And destroy them one at a time from the bottom up */
+            while (pDrvIns)
+            {
+                PPDMDRVINS pDrvNext = pDrvIns->Internal.s.pUp;
+
                 if (pDrvIns->pDrvReg->pfnDestruct)
                 {
@@ -341 +352 @@
                     TMR3TimerDestroyDriver(pVM, pDrvIns);
                 }
+                pDrvIns = pDrvNext;
+            }
+        }
 
         if (pDevIns->pDevReg->pfnDestruct)