Merge tag 'at91-for-next-cleanup' of git://github.com/at91linux/linux-at91 into next...

[cascardo/linux.git] / drivers / media / rc / nuvoton-cir.c

diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 699eef3..2ea913a 100644 (file)
--- 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);