"NULL !=" = NULL

src/lazy/SkDiscardableMemoryPool.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDiscardableMemory.h"
 #include "SkDiscardableMemoryPool.h"
 #include "SkImageGenerator.h"
@@ skipping 137 matching lines @@
 void DiscardableMemoryPool::dumpDownTo(size_t budget) {
     if (fMutex != NULL) {
         fMutex->assertHeld();
     }
     if (fUsed <= budget) {
         return;
     }
     typedef SkTInternalLList<PoolDiscardableMemory>::Iter Iter;
     Iter iter;
     PoolDiscardableMemory* cur = iter.init(fList, Iter::kTail_IterStart);
-    while ((fUsed > budget) && (NULL != cur)) {
+    while ((fUsed > budget) && (cur)) {
         if (!cur->fLocked) {
             PoolDiscardableMemory* dm = cur;
             SkASSERT(dm->fPointer != NULL);
             sk_free(dm->fPointer);
             dm->fPointer = NULL;
             SkASSERT(fUsed >= dm->fBytes);
             fUsed -= dm->fBytes;
             cur = iter.prev();
             // Purged DMs are taken out of the list.  This saves times
             // looking them up.  Purged DMs are NOT deleted.
@@ skipping 90 matching lines @@
 SkDiscardableMemoryPool* SkDiscardableMemoryPool::Create(size_t size, SkBaseMutex* mutex) {
     return SkNEW_ARGS(DiscardableMemoryPool, (size, mutex));
 }
 
 SkDiscardableMemoryPool* SkGetGlobalDiscardableMemoryPool() {
     SK_DECLARE_STATIC_LAZY_PTR(SkDiscardableMemoryPool, global, create_global_pool);
     return global.get();
 }
 
 ////////////////////////////////////////////////////////////////////////////////