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Marco Trevisan (Treviño)
ef6433c8be
Newer fprintd supports duplicate-detection, this implies sending to the device an empty prints gallery, expecting the device to give us a matched print against its storage. In case the device has no storage we're doing this anyway, but goodix doesn't handle this properly, so let's just ignore the case if no prints are passed. Also, once returned the value we might initialize a type multiple times, and let's avoid this not to have a dead-lock after the first action. LP: #1966911