OMAP: DSS2: OMAPFB: Check fb2display() return value

Make sure NULL return value of fb2display() is not referenced. Found by
Coverity.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
2 files changed