The proper way to divide two signed 64-bit values is to use div64_s64. Signed-off-by: Vlad Dogaru <vlad.dogaru@xxxxxxxxx> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> --- Since v1: fix typo in commit message. drivers/iio/pressure/bmp280.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/pressure/bmp280.c b/drivers/iio/pressure/bmp280.c index fb91cb3..ce29ff9 100644 --- a/drivers/iio/pressure/bmp280.c +++ b/drivers/iio/pressure/bmp280.c @@ -239,7 +239,7 @@ static u32 bmp280_compensate_press(struct bmp280_data *data, return 0; p = ((((s64) 1048576 - adc_press) << 31) - var2) * 3125; - do_div(p, var1); + p = div64_s64(p, var1); var1 = (((s64) comp->dig_p9) * (p >> 13) * (p >> 13)) >> 25; var2 = (((s64) comp->dig_p8) * p) >> 19; p = ((p + var1 + var2) >> 8) + (((s64) comp->dig_p7) << 4); -- 1.9.1 -- 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