diff options
| -rw-r--r-- | drivers/tty/mxser.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 586fa3575673..d354c80083fd 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1743,7 +1743,7 @@ static int mxser_rs_break(struct tty_struct *tty, int break_state) } static bool mxser_receive_chars_new(struct tty_struct *tty, - struct mxser_port *port, u8 status, int *cnt) + struct mxser_port *port, u8 status) { enum mxser_must_hwid hwid = port->board->must_hwid; u8 gdl; @@ -1767,19 +1767,19 @@ static bool mxser_receive_chars_new(struct tty_struct *tty, while (gdl--) { u8 ch = inb(port->ioaddr + UART_RX); tty_insert_flip_char(&port->port, ch, 0); - (*cnt)++; } return true; } static u8 mxser_receive_chars_old(struct tty_struct *tty, - struct mxser_port *port, u8 status, int *cnt) + struct mxser_port *port, u8 status) { enum mxser_must_hwid hwid = port->board->must_hwid; int recv_room = tty->receive_room; int ignored = 0; int max = 256; + int cnt = 0; u8 ch; do { @@ -1814,8 +1814,8 @@ static u8 mxser_receive_chars_old(struct tty_struct *tty, } } tty_insert_flip_char(&port->port, ch, flag); - (*cnt)++; - if (*cnt >= recv_room) { + cnt++; + if (cnt >= recv_room) { if (!port->ldisc_stop_rx) mxser_stoprx(tty); break; @@ -1835,13 +1835,11 @@ static u8 mxser_receive_chars_old(struct tty_struct *tty, static u8 mxser_receive_chars(struct tty_struct *tty, struct mxser_port *port, u8 status) { - int cnt = 0; - if (tty->receive_room == 0 && !port->ldisc_stop_rx) mxser_stoprx(tty); - if (!mxser_receive_chars_new(tty, port, status, &cnt)) - status = mxser_receive_chars_old(tty, port, status, &cnt); + if (!mxser_receive_chars_new(tty, port, status)) + status = mxser_receive_chars_old(tty, port, status); tty_flip_buffer_push(&port->port); |