On 20/07/15 15:14, Dan Carpenter wrote: > On Mon, Jul 20, 2015 at 04:52:30PM +0300, Teodora Baluta wrote: >> +static int mmc34160_raw_to_mgauss(int raw[3], int sens[3], int nfo, >> + int index, int *val) >> +{ >> + switch (index) { >> + case AXIS_X: >> + *val = (raw[AXIS_X] - nfo) * 1000 / sens[AXIS_X]; >> + break; >> + case AXIS_Y: >> + *val = (raw[AXIS_Y] - nfo) * 1000 / sens[AXIS_Y]; >> + break; >> + case AXIS_Z: >> + *val = (raw[AXIS_Z] - nfo) * 1000 / sens[AXIS_Z]; >> + break; >> + default: >> + return -EINVAL; >> + } >> + >> + return 0; >> +} > > We never pass invalid indexes here so this could be replaced with: > > static int mmc34160_raw_to_mgauss(int raw[3], int sens[3], int nfo, > int index, int *val) > { > *val = (raw[index] - nfo) * 1000 / sens[index]; > return 0; Even better change the function signature and don't return anything at all perhaps? Anyhow, definitely worth making this change. > } > > regards, > dan carpenter > -- 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