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-rw-r--r--drivers/media/common/tuners/tuner-simple.c9
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 1a21191566f5..de7adaf5fa5b 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)