From bbbbb96f5ea84971545ecae5a9ec50387cd9c6a3 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 30 Apr 2008 00:54:05 -0700 Subject: riscom/rocket: switch to int put_char method Signed-off-by: Alan Cox Cc: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/riscom8.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/char/riscom8.c') diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index a82c2a2d5e6c..221b5a292076 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1161,16 +1161,17 @@ static int rc_write(struct tty_struct * tty, return total; } -static void rc_put_char(struct tty_struct * tty, unsigned char ch) +static int rc_put_char(struct tty_struct * tty, unsigned char ch) { struct riscom_port *port = (struct riscom_port *)tty->driver_data; unsigned long flags; + int ret = 0; if (rc_paranoia_check(port, tty->name, "rc_put_char")) - return; + return 0; if (!tty || !port->xmit_buf) - return; + return 0; spin_lock_irqsave(&riscom_lock, flags); @@ -1180,9 +1181,11 @@ static void rc_put_char(struct tty_struct * tty, unsigned char ch) port->xmit_buf[port->xmit_head++] = ch; port->xmit_head &= SERIAL_XMIT_SIZE - 1; port->xmit_cnt++; + ret = 1; out: spin_unlock_irqrestore(&riscom_lock, flags); + return ret; } static void rc_flush_chars(struct tty_struct * tty) -- cgit v1.2.3