The legacy logic was embarassingly wrong; AuthMagic should return errno,
so returning FALSE only when AuthMagic returns nonzero is exactly wrong.
v2: Match drmAuthMagic by returning -EINVAL rather than EINVAL
Fix trailing whitespace
https://bugs.freedesktop.org/show_bug.cgi?id=51400
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Knut Petersen <knut_petersen@t-online.de>
Signed-off-by: Keith Packard <keithp@keithp.com>