diff options
| -rw-r--r-- | drivers/media/common/tuners/tuner-simple.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index 1a21191566f..de7adaf5fa5 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -820,6 +820,15 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, int ret; unsigned frequency = params->frequency / 62500; + if (!tun->stepsize) { + /* tuner-core was loaded before the digital tuner was + * configured and somehow picked the wrong tuner type */ + tuner_err("attempt to treat tuner %d (%s) as digital tuner " + "without stepsize defined.\n", + priv->type, priv->tun->name); + return 0; /* failure */ + } + t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); if (ret < 0) |