Index: /trunk/src/VBox/Devices/Network/SrvIntNetR0.cpp
===================================================================
--- /trunk/src/VBox/Devices/Network/SrvIntNetR0.cpp	(revision 31321)
+++ /trunk/src/VBox/Devices/Network/SrvIntNetR0.cpp	(revision 31322)
@@ -633,5 +633,5 @@
         AssertMsg((cCurBusy & ~INTNET_BUSY_WAKEUP_MASK) < INTNET_MAX_IFS * 3, ("%#x\n", cCurBusy));
     } while (   cCurBusy != INTNET_BUSY_WAKEUP_MASK
-             || ASMAtomicCmpXchgU32(pcBusy, 0, INTNET_BUSY_WAKEUP_MASK));
+             || !ASMAtomicCmpXchgU32(pcBusy, 0, INTNET_BUSY_WAKEUP_MASK));
 }