Integrated: JDK-8313252: Java_sun_awt_windows_ThemeReader_paintBackground release resources in early returns

Matthias Baesken mbaesken at openjdk.org
Mon Jul 31 15:00:59 UTC 2023


On Fri, 28 Jul 2023 07:52:14 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> In file ThemeReader.cpp functionJava_sun_awt_windows_ThemeReader_paintBackground
> we create DCs and release them at the end, but seems we miss it in early returns.
> 
> While looking at the code, I noticed that CreateCompatibleDC can return NULL in case of error/failure, but we ignore this case; see 
> https://learn.microsoft.com/en-us/windows/win32/api/wingdi/nf-wingdi-createcompatibledc   .
> Should we better handle it or is it not really occurring in practise ?

This pull request has now been integrated.

Changeset: 3671d83c
Author:    Matthias Baesken <mbaesken at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/3671d83c87302ead09d4ebce9cb85bdd803a0c20
Stats:     1 line in 1 file changed: 1 ins; 0 del; 0 mod

8313252: Java_sun_awt_windows_ThemeReader_paintBackground release resources in early returns

Reviewed-by: clanger

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PR: https://git.openjdk.org/jdk/pull/15064



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