Hi Peter, On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote: [...] > +int mux_control_select(struct mux_control *mux, int state) state could be unsigned int for the consumer facing API. > +{ > + int ret; And mux_control_select should check that (0 <= state < mux->states). regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html