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9227237806
If a dri2 screen is not successfully initialized, attempting to close it results in a null dereference. Maintain a flag indicating whether the dri2 screen was successfully initialized, and check it before attempting to close the dri2 screen. https://bugzilla.redhat.com/show_bug.cgi?id=1485811 https://bugzilla.redhat.com/show_bug.cgi?id=1493805 https://bugzilla.redhat.com/show_bug.cgi?id=1534459 https://bugzilla.redhat.com/show_bug.cgi?id=1541745 https://bugs.freedesktop.org/show_bug.cgi?id=101282 Signed-off-by: Jeff Smith <whydoubt@gmail.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
https://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
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Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
https://cgit.freedesktop.org/xorg/xserver
For patch submission instructions, see:
https://www.x.org/wiki/Development/Documentation/SubmittingPatches
For more information on the git code manager, see:
https://wiki.x.org/wiki/GitPage
As with other projects hosted on freedesktop.org, X.Org follows its
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https://www.freedesktop.org/wiki/CodeOfConduct