Paulo Zanoni 17ceccedbf testdisplay: return 0 when successful
We use the "ret" variable to check function return values, and these
values are not necessarily 0 on the successful cases, so we need to
reset "ret" after we finish using it.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2011-09-16 22:21:52 +02:00
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