Changeset 27560 in vbox for trunk/src/VBox/Main/DisplayImpl.cpp

Timestamp:

Mar 21, 2010 1:54:41 PM (15 years ago)

Author:

vboxsync

Message:

Fix #4631 (Crash when taking a snapshot of a VM running with VBoxHeadless on OSE)

File:

• trunk/src/VBox/Main/DisplayImpl.cpp (modified) (1 diff)

trunk/src/VBox/Main/DisplayImpl.cpp

@@ -433 +433 @@
 #endif /* !VBOX_WITH_OLD_VBVA_LOCK */
 
-        if (RT_SUCCESS(rc))
-        {
+        /*
+         * It is possible that success is returned but everything is 0 or NULL.
+         * (no display attached if a VM is running with VBoxHeadless on OSE for example)
+         */
+        if (RT_SUCCESS(rc) && pu8Data)
+        {
+            Assert(cx && cy);
+
             /* Prepare a small thumbnail and a PNG screenshot. */
             displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);