diff options
Diffstat (limited to 'drivers/media/rc/nuvoton-cir.c')
| -rw-r--r-- | drivers/media/rc/nuvoton-cir.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index ce595f9ab4c7..eae05b500476 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -546,24 +546,18 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier) * number may larger than TXFCONT (0xff). So in interrupt_handler, it has to * set TXFCONT as 0xff, until buf_count less than 0xff. */ -static int nvt_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) +static int nvt_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned n) { struct nvt_dev *nvt = dev->priv; unsigned long flags; - size_t cur_count; unsigned int i; u8 iren; int ret; spin_lock_irqsave(&nvt->tx.lock, flags); - if (n >= TX_BUF_LEN) { - nvt->tx.buf_count = cur_count = TX_BUF_LEN; - ret = TX_BUF_LEN; - } else { - nvt->tx.buf_count = cur_count = n; - ret = n; - } + ret = min((unsigned)(TX_BUF_LEN / sizeof(unsigned)), n); + nvt->tx.buf_count = (ret * sizeof(unsigned)); memcpy(nvt->tx.buf, txbuf, nvt->tx.buf_count); |