z does not fit in 32 bits. Found by cocci: drivers/media/dvb-frontends/tda10048.c:345:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- drivers/media/dvb-frontends/tda10048.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c index 5d5e4e9e4422..b176e7803e5b 100644 --- a/drivers/media/dvb-frontends/tda10048.c +++ b/drivers/media/dvb-frontends/tda10048.c @@ -342,8 +342,7 @@ static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz, t *= (2048 * 1024); t *= 1024; z = 7 * sample_freq_hz; - do_div(t, z); - t += 5; + t = div64_u64(t, z) + 5; do_div(t, 10); tda10048_writereg(state, TDA10048_TIME_WREF_LSB, (u8)t); -- 2.44.0.683.g7961c838ac-goog
