[PATCH] linux: Propagate failure up to xf86MapVidMem (#18304)

[Keith Packard]

Adam Jackson <ajax at redhat.com> writes:

> As opposed to calling FatalError.

Hrm. This is effectively and ABI change as mapVidMem would otherwise not
return on an error. While it might be nice and allow drivers to do
something sensible, I'm afraid I can't take it for 1.16 because drivers
may not be prepared to handle the error case.

-- 
keith.packard at intel.com
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