[PATCH] prevent X crash on pressing multimedia buttons

[Jeremy Huddleston]

The "numAxes < i || ..." check seems odd (hopefully Peter can comment) ... but the rest of the logic looks sound.

Please reference the bug URL in the comment:
https://bugs.freedesktop.org/show_bug.cgi?id=41149

On Mar 26, 2012, at 7:40 AM, Michal Suchanek <hramrach at gmail.com> wrote:

> Hello,
> 
> this is basically a backport of
> 2416ee4a015068359807a10f433e8c54192c78a9 to 1.11 branch which fixes X
> server crash on queuing pointer events on devices without axis.
> 
> On 1.11 this is only triggered under special circumstances (eg. when
> Xscreensaver unlock dialog is active).
> 
> It fixes the issue for me.
> 
> I only hit the problem that valuator is NULL.
> 
> Not sure if an event for an axis not present on a device which does
> have some axis can be queued. There are checks for that but not tested
> because such event are not generated in my setup.
> 
> Please review
> 
> Thanks
> 
> Michal
> <0001-Avoid-crash-on-button-events-on-device-without-valua.patch>_______________________________________________
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