The assignment ret = ret is redundant and can be removed.
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>