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| author | Andrew de Quincey <adq_dvb@lidskialf.net> | 2006-11-22 21:01:21 +0000 |
|---|---|---|
| committer | Andrew de Quincey <adq_dvb@lidskialf.net> | 2006-11-22 21:01:21 +0000 |
| commit | 4044249adf2b23eb944b0676d182611a26f2c27d (patch) | |
| tree | 9c2d041ae3b0bcd913a334d7b627c37d4ca16bc2 /linux/drivers/media/dvb | |
| parent | 789537fc93581d475173b1b0741022b4a1bad857 (diff) | |
| download | mediapointer-dvb-s2-4044249adf2b23eb944b0676d182611a26f2c27d.tar.gz mediapointer-dvb-s2-4044249adf2b23eb944b0676d182611a26f2c27d.tar.bz2 | |
Fix oops on symbol rate==0
From: Andrew de Quincey <adq_dvb@lidskialf.net>
The tda10086 causes an oops (divide by zero) if a zero symbol rate is used;
this prevents this.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Diffstat (limited to 'linux/drivers/media/dvb')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/tda10086.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/frontends/tda10086.c b/linux/drivers/media/dvb/frontends/tda10086.c index 7456b0b99..4c27a2d90 100644 --- a/linux/drivers/media/dvb/frontends/tda10086.c +++ b/linux/drivers/media/dvb/frontends/tda10086.c @@ -441,6 +441,10 @@ static int tda10086_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_pa dprintk ("%s\n", __FUNCTION__); + // check for invalid symbol rate + if (fe_params->u.qpsk.symbol_rate < 500000) + return -EINVAL; + // calculate the updated frequency (note: we convert from Hz->kHz) tmp64 = tda10086_read_byte(state, 0x52); tmp64 |= (tda10086_read_byte(state, 0x51) << 8); |