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| author | Vitaly Buka <vitalybuka@chromium.org> | 2015-07-10 15:40:59 -0700 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@chromium.org> | 2015-07-10 15:40:59 -0700 |
| commit | aa575d4805bf7a9e83f00b56e38d4de39d90f95c (patch) | |
| tree | 4330b53d7e9c5d78e2850e6b12ed26887e3810e0 | |
| parent | 07bb09f2ef02e310999b3c32a5eb287cfcd1c2d4 (diff) | |
| download | pdfium-chromium/2455.tar.xz | |
Make CJBig2_Object::operator delete accept nullptrchromium/2455
Standard delete operator should do noting for nullptr.
Overloaded CJBig2_Object::operator delete de-referenced
provided pointer causing crashes after
https://codereview.chromium.org/1192743004/
TBR=thestig
BUG=508197
Review URL: https://codereview.chromium.org/1230763007 .
| -rw-r--r-- | core/src/fxcodec/jbig2/JBig2_Object.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_Object.cpp b/core/src/fxcodec/jbig2/JBig2_Object.cpp index 1429a91644..ae544d72d5 100644 --- a/core/src/fxcodec/jbig2/JBig2_Object.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Object.cpp @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_Object.h" @@ -26,7 +26,9 @@ void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule) } void CJBig2_Object::operator delete(void *p) { - ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); + if (p) { + ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); + } } void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule) { @@ -64,7 +66,9 @@ void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t } void CJBig2_Object::operator delete[](void* p) { - ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); + if (p) { + ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); + } } void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size) { |