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path: root/drivers/media/rc/ene_ir.c
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Diffstat (limited to 'drivers/media/rc/ene_ir.c')
-rw-r--r--drivers/media/rc/ene_ir.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index 647dd951b0e8..d05ac15b5de4 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -881,10 +881,13 @@ static int ene_set_tx_mask(struct rc_dev *rdev, u32 tx_mask)
static int ene_set_tx_carrier(struct rc_dev *rdev, u32 carrier)
{
struct ene_device *dev = rdev->priv;
- u32 period = 2000000 / carrier;
+ u32 period;
dbg("TX: attempt to set tx carrier to %d kHz", carrier);
+ if (carrier == 0)
+ return -EINVAL;
+ period = 2000000 / carrier;
if (period && (period > ENE_CIRMOD_PRD_MAX ||
period < ENE_CIRMOD_PRD_MIN)) {
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