hw: char: Remove unnecessary variable

Compress lines and remove the variable.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Shraddha Barke 2015-09-25 20:06:02 +05:30 committed by Michael Tokarev
parent bf5f78efed
commit 65cb2a14ca

View file

@ -182,15 +182,13 @@ static void serial_receive(void *opaque, const uint8_t *buf, int size)
static int serial_can_receive(void *opaque)
{
ETRAXSerial *s = opaque;
int r;
/* Is the receiver enabled? */
if (!(s->regs[RW_REC_CTRL] & (1 << 3))) {
return 0;
}
r = sizeof(s->rx_fifo) - s->rx_fifo_len;
return r;
return sizeof(s->rx_fifo) - s->rx_fifo_len;
}
static void serial_event(void *opaque, int event)