1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 699eef39128b..2ea913a44ae8 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -517,6 +517,9 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier)
         struct nvt_dev *nvt = dev->priv;
         u16 val;
 
+        if (carrier == 0)
+                return -EINVAL;
+
         nvt_cir_reg_write(nvt, 1, CIR_CP);
         val = 3000000 / (carrier) - 1;
         nvt_cir_reg_write(nvt, val & 0xff, CIR_CC);