V4L/DVB (3895): Additional frontend_init safety checks

Don't try and set the tuner ops if the demod was not detected.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 9bd069e4e11a..68004187860f 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -1113,6 +1113,10 @@ static void frontend_init(struct budget_av *budget_av)
         case SUBID_DVBT_CINERGY1200:
                 fe = tda10046_attach(&philips_tu1216_config,
                                      &budget_av->budget.i2c_adap);
+                if (fe) {
+                        fe->ops->tuner_ops.init = philips_tu1216_tuner_init;
+                        fe->ops->tuner_ops.set_params = philips_tu1216_tuner_set_params;
+                }
                 break;
         }