Changeset 38201 in vbox for trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3Lib.cpp

Timestamp:

Jul 27, 2011 2:50:39 PM (13 years ago)

Author:

vboxsync

Message:

Additions/common: make vbglR3IoCtl fail cleanly on Linux if /dev/vboxguest has not yet been opened

File:

• trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3Lib.cpp (modified) (1 diff)

trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3Lib.cpp

@@ -356 +356 @@
     int rc = xf86ioctl((int)g_File, iFunction, pvData);
 # else
+    if (g_File == NIL_RTFILE)
+        return VERR_INVALID_HANDLE;
     int rc = ioctl(RTFileToNative(g_File), iFunction, pvData);
 # endif