tree 6b1f9c2e806df91aa9c8b5ab0842642c69cdd99f
parent e18ac44ddc7eb98e5301e40b5cb19c88215cda13
author Lei Zhang <thestig@chromium.org> 1509741336 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1509741336 +0000

Check for NULL pointer in _TIFFfree().

PartitionAlloc does not handle free(NULL), so _TIFFfree() needs to do
the check, just like png_free_default() and _cmsFree() for other third
party code.

BUG=chromium:780709

Change-Id: I4e2ff0ba642c66e4a73e151c9ab42ebb42d34a5b
Reviewed-on: https://pdfium-review.googlesource.com/17791
Reviewed-by: Chris Palmer <palmer@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>