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, 3 insertions, 2 deletions

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 00cfb6c7fd46..743dc80a9325 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1663,14 +1663,14 @@ static void rp_hangup(struct tty_struct *tty)
  *  writing routines will write directly to transmit FIFO.
  *  Write buffer and counters protected by spinlocks
  */
-static void rp_put_char(struct tty_struct *tty, unsigned char ch)
+static int rp_put_char(struct tty_struct *tty, unsigned char ch)
 {
         struct r_port *info = (struct r_port *) tty->driver_data;
         CHANNEL_t *cp;
         unsigned long flags;
 
         if (rocket_paranoia_check(info, "rp_put_char"))
-                return;
+                return 0;
 
         /*
          * Grab the port write mutex, locking out other processes that try to
@@ -1699,6 +1699,7 @@ static void rp_put_char(struct tty_struct *tty, unsigned char ch)
         }
         spin_unlock_irqrestore(&info->slock, flags);
         mutex_unlock(&info->write_mtx);
+        return 1;
 }
 
 /*