[PATCH 1/2] compositor: drop privileges if not using the drm backend

[Ander Conselvan de Oliveira]

On 01/31/2012 11:04 AM, Daniel Stone wrote:
> Hi,
>
> On 30 January 2012 13:02, Ander Conselvan de Oliveira
> <ander.conselvan.de.oliveira at intel.com>  wrote:
>> +       /* Only drm-backend needs root privileges. */
>> +       if (backend)
>> +               seteuid(getuid());
>
> You should be checking seteuid's return code here.

My understanding of the man page is that this should not fail when 
setting the real user id. If it does, what can we do then, write an 
error message "failed to drop privileges"?


Ander