Copy&paste error in serial.c causes a crash when attempting
to read from UART (if there is no data to be read)
Signed-off-by: Vladimir Senkov <hangup@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
ret = s->divider & 0xff;
} else {
if(s->fcr & UART_FCR_FE) {
- ret = fifo8_is_full(&s->recv_fifo) ?
+ ret = fifo8_is_empty(&s->recv_fifo) ?
0 : fifo8_pop(&s->recv_fifo);
if (s->recv_fifo.num == 0) {
s->lsr &= ~(UART_LSR_DR | UART_LSR_BI);