Fix a divide-by-zero error in ds3000's ds3000_read_snr(), when getting a very low signal reading (dvbs2_signal_reading >= 1). This prevents some nasty EIPs when running szap-s2 with a very low signal strength.
Signed-off-by: Nicolas Noirbent <[email protected]> --- drivers/media/dvb/frontends/ds3000.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/media/dvb/frontends/ds3000.c b/drivers/media/dvb/frontends/ds3000.c index cff3535..78001e8 100644 --- a/drivers/media/dvb/frontends/ds3000.c +++ b/drivers/media/dvb/frontends/ds3000.c @@ -719,7 +719,7 @@ static int ds3000_read_snr(struct dvb_frontend *fe, u16 *snr) (ds3000_readreg(state, 0x8d) << 4); dvbs2_signal_reading = ds3000_readreg(state, 0x8e); tmp = dvbs2_signal_reading * dvbs2_signal_reading >> 1; - if (dvbs2_signal_reading == 0) { + if (tmp == 0) { *snr = 0x0000; return 0; } -- 1.7.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
