Changeset 71211 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Mar 5, 2018 8:26:21 PM (7 years ago)

Author:

vboxsync

Message:

iomMmioHandler: pDevIns can be NULL in R0 and RC, return to ring-3.

File:

• trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp

@@ -761 +761 @@
     PPDMDEVINS pDevIns = pRange->CTX_SUFF(pDevIns);
     IOM_UNLOCK_SHARED(pVM);
+#ifdef IN_RING3
     VBOXSTRICTRC rcStrict = PDMCritSectEnter(pDevIns->CTX_SUFF(pCritSectRo), VINF_IOM_R3_MMIO_READ_WRITE);
+#else
+    VBOXSTRICTRC rcStrict = pDevIns ? PDMCritSectEnter(pDevIns->CTX_SUFF(pCritSectRo), VINF_IOM_R3_MMIO_READ_WRITE)
+                          : VINF_IOM_R3_MMIO_READ_WRITE;
+#endif
     if (rcStrict == VINF_SUCCESS)
     {