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| author | Tom Sepez <tsepez@chromium.org> | 2017-04-25 16:39:34 -0700 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-04-26 00:05:22 +0000 |
| commit | 012ae898a069bda7afbfdad4eb4c8ba042b68dc7 (patch) | |
| tree | 9a8e9e05e2fe6fd127b781dbb55b8793eea2d92e /core/fpdfapi/font/cpdf_font.cpp | |
| parent | 5c42c8e9b78082319ad57f143ad03037d447aa36 (diff) | |
| download | pdfium-012ae898a069bda7afbfdad4eb4c8ba042b68dc7.tar.xz | |
Get rid of a few |new|s in CPDF_Document.
The chain of destructors may attempt to use m_pDocPage
after it has been set to null by the unique_ptr destructor.
Verify it is still present before using it from any code
that may be called from some other CPDF_ destructor.
Change-Id: I007160231d73feed85d90efc687d6da993653f96
Reviewed-on: https://pdfium-review.googlesource.com/4499
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fpdfapi/font/cpdf_font.cpp')
| -rw-r--r-- | core/fpdfapi/font/cpdf_font.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/core/fpdfapi/font/cpdf_font.cpp b/core/fpdfapi/font/cpdf_font.cpp index b9be3aa868..53186daec6 100644 --- a/core/fpdfapi/font/cpdf_font.cpp +++ b/core/fpdfapi/font/cpdf_font.cpp @@ -61,8 +61,11 @@ CPDF_Font::CPDF_Font() CPDF_Font::~CPDF_Font() { if (m_pFontFile) { - m_pDocument->GetPageData()->MaybePurgeFontFileStreamAcc( - m_pFontFile->GetStream()->AsStream()); + auto* pPageData = m_pDocument->GetPageData(); + if (pPageData) { + pPageData->MaybePurgeFontFileStreamAcc( + m_pFontFile->GetStream()->AsStream()); + } } } |