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path: root/drivers/media/rc/nuvoton-cir.c
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Diffstat (limited to 'drivers/media/rc/nuvoton-cir.c')
-rw-r--r--drivers/media/rc/nuvoton-cir.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index ce595f9ab4c..eae05b50047 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);