vbox的更動 44940 路徑 trunk/src/VBox/Storage/QCOW.cpp

時間撮記:

2013-3-6 下午10:12:24 (12 年 以前)

作者:

vboxsync

訊息:

Storage/QED,QCOW: Fix backing filename handling (caused crashes and other weird behavior)

檔案:

• trunk/src/VBox/Storage/QCOW.cpp (修改) (3 筆差異)

trunk/src/VBox/Storage/QCOW.cpp

@@ -1004 +1004 @@
 
         if (pImage->pszBackingFilename)
+        {
             RTMemFree(pImage->pszBackingFilename);
+            pImage->pszBackingFilename = NULL;
+        }
 
         qcowL2TblCacheDestroy(pImage);
@@ -1125 +1128 @@
             {
                 /* Load backing filename from image. */
-                pImage->pszFilename = (char *)RTMemAllocZ(pImage->cbBackingFilename + 1); /* +1 for \0 terminator. */
-                if (pImage->pszFilename)
+                pImage->pszBackingFilename = (char *)RTMemAllocZ(pImage->cbBackingFilename + 1); /* +1 for \0 terminator. */
+                if (pImage->pszBackingFilename)
                 {
                     rc = vdIfIoIntFileReadSync(pImage->pIfIo, pImage->pStorage,
@@ -2378 +2381 @@
     AssertPtr(pImage);
     if (pImage)
-        if (pImage->pszFilename)
+        if (pImage->pszBackingFilename)
             *ppszParentFilename = RTStrDup(pImage->pszBackingFilename);
         else