Prevent read from t_params->ranges[-1].
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
This is only required when t_params->count can be 0, can it?
Roel
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index 8abbcc5..e679d5f 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -266,7 +266,7 @@ static int simple_config_lookup(struct dvb_frontend *fe,
continue;
break;
}
- if (i == t_params->count) {
+ if (i == t_params->count && i) {
tuner_dbg("frequency out of range (%d > %d)\n",
*frequency, t_params->ranges[i - 1].limit);
*frequency = t_params->ranges[--i].limit;
--
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