xnu-6153.121.1.tar.gz

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

diff --git a/iokit/Kernel/IOInterleavedMemoryDescriptor.cpp b/iokit/Kernel/IOInterleavedMemoryDescriptor.cpp
index d4ad771ff90826cbbe77281887f09927eca5d516..7a9f15093e9589ba9f1c5d3e6e929c0ea968c7c5 100644 (file)
--- a/iokit/Kernel/IOInterleavedMemoryDescriptor.cpp
+++ b/iokit/Kernel/IOInterleavedMemoryDescriptor.cpp
@@ -48,7 +48,7 @@ IOInterleavedMemoryDescriptor * IOInterleavedMemoryDescriptor::withCapacity(
                    /* capacity  */ capacity,
                    /* direction */ direction )) {
                me->release();
-               me = 0;
+               me = NULL;
        }
 
        return me;
@@ -79,14 +79,14 @@ IOInterleavedMemoryDescriptor::initWithCapacity(
        _direction              = (IODirection) (_flags & kIOMemoryDirectionMask);
 #endif /* !__LP64__ */
        _length                 = 0;
-       _mappings               = 0;
+       _mappings               = NULL;
        _tag                    = 0;
        _descriptorCount        = 0;
        _descriptors            = IONew(IOMemoryDescriptor *, capacity);
        _descriptorOffsets      = IONew(IOByteCount, capacity);
        _descriptorLengths      = IONew(IOByteCount, capacity);
 
-       if ((_descriptors == 0) || (_descriptorOffsets == 0) || (_descriptorLengths == 0)) {
+       if ((_descriptors == NULL) || (_descriptorOffsets == NULL) || (_descriptorLengths == NULL)) {
                return false;
        }
 
@@ -106,7 +106,7 @@ IOInterleavedMemoryDescriptor::clearMemoryDescriptors( IODirection direction )
                }
 
                _descriptors[index]->release();
-               _descriptors[index] = 0;
+               _descriptors[index] = NULL;
 
                _descriptorOffsets[index] = 0;
                _descriptorLengths[index] = 0;
@@ -121,7 +121,7 @@ IOInterleavedMemoryDescriptor::clearMemoryDescriptors( IODirection direction )
 
        _descriptorCount = 0;
        _length = 0;
-       _mappings = 0;
+       _mappings = NULL;
        _tag = 0;
 };
 
@@ -166,15 +166,15 @@ IOInterleavedMemoryDescriptor::free()
                        _descriptors[index]->release();
                }
 
-               if (_descriptors != 0) {
+               if (_descriptors != NULL) {
                        IODelete(_descriptors, IOMemoryDescriptor *, _descriptorCapacity);
                }
 
-               if (_descriptorOffsets != 0) {
+               if (_descriptorOffsets != NULL) {
                        IODelete(_descriptorOffsets, IOMemoryDescriptor *, _descriptorCapacity);
                }
 
-               if (_descriptorLengths != 0) {
+               if (_descriptorLengths != NULL) {
                        IODelete(_descriptorLengths, IOMemoryDescriptor *, _descriptorCapacity);
                }
        }