filep of #6708

[exteriorform]

Hi NuttXer:
I was puzzed by #6708, where there's an additional function parameter struct file *filep was added but it was not used in function at all, does it means the filep will be used in future?

[xiaoxiang781216]

it's used here:
https://github.com/apache/nuttx/blob/master/drivers/sensors/sensor_rpmsg.c#L568-L608

[exteriorform]

got it！thanks for your explanation.