diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 62de760c844f..43084bfc0f18 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -640,7 +640,8 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 	memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
 	       sizeof(struct dvb_tuner_ops));
 
-	strncpy(fe->ops.tuner_ops.info.name, desc->name, 128);
+	strncpy(fe->ops.tuner_ops.info.name, desc->name,
+		sizeof(fe->ops.tuner_ops.info.name));
 	fe->ops.tuner_ops.info.frequency_min = desc->min;
 	fe->ops.tuner_ops.info.frequency_min = desc->max;