riscom/rocket: switch to int put_char method

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 3 deletions

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)