xnu-1228.3.13.tar.gz

[apple/xnu.git] / iokit / Kernel / IOMemoryDescriptor.cpp

diff --git a/iokit/Kernel/IOMemoryDescriptor.cpp b/iokit/Kernel/IOMemoryDescriptor.cpp
index 3c0b8f7e16a09f3bcff06237835240a55efa45da..43321aac12c2367d21165fa7f50bbd9a230fa6fd 100644 (file)
--- a/iokit/Kernel/IOMemoryDescriptor.cpp
+++ b/iokit/Kernel/IOMemoryDescriptor.cpp
@@ -1017,6 +1017,8 @@ void IOGeneralMemoryDescriptor::free()
            IODelete(_ranges.v64, IOAddressRange, _rangesCount);
        else
            IODelete(_ranges.v, IOVirtualRange, _rangesCount);
+
+       _ranges.v = NULL;
     }
 
     if (reserved && reserved->devicePager)