bug#23939: Segfault in daemon mode Emacs when detaching an X session

[Lars Ingebrigtsen]

Noam Postavsky <npostavs@gmail.com> writes:

>> +  /* In rare situations when running Emacs run in daemon mode,
>> +     shutting down an emacsclient via delete-frame can cause
>> +     x_uncatch_errors to be called when x_error_message is set to
>> +     NULL.  */
>> +  
>> +  if (x_error_message == NULL)
>> +    return;
>
> If this really is possible, I guess a NULL check wouldn't be a bad
> thing...

I've applied the patch to Emacs 28, as it seemed to fix the bug for
Doug, and it should probably not have any adverse affects otherwise.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no