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0*whatever==0 so this check is pointless. Remove it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181221171436.8218-9-ville.syrjala@linux.intel.com

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>