From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Wed, 30 Apr 2008 07:54:08 +0000 (-0700)
Subject: consoles: switch to int put_char method
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5d19f546e7b6f0976f957780f2687c55668f4495;p=openwrt%2Fstaging%2Fblogic.git

consoles: switch to int put_char method

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Antonino Daplas <adaplas@pol.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Kelly Daly <kelly@au.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
index 9319c63dda9a..3d3e1c2b310f 100644
--- a/drivers/char/viocons.c
+++ b/drivers/char/viocons.c
@@ -628,13 +628,13 @@ static int viotty_write(struct tty_struct *tty, const unsigned char *buf,
 /*
  * TTY put_char method
  */
-static void viotty_put_char(struct tty_struct *tty, unsigned char ch)
+static int viotty_put_char(struct tty_struct *tty, unsigned char ch)
 {
 	struct port_info *pi;
 
 	pi = get_port_data(tty);
 	if (pi == NULL)
-		return;
+		return 0;
 
 	/* This will append '\r' as well if the char is '\n' */
 	if (viochar_is_console(pi))
@@ -642,6 +642,7 @@ static void viotty_put_char(struct tty_struct *tty, unsigned char ch)
 
 	if (viopath_isactive(pi->lp))
 		internal_write(pi, &ch, 1);
+	return 1;
 }
 
 /*
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index c71d1d0f13b9..71cf203d282d 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2642,11 +2642,11 @@ static int con_write(struct tty_struct *tty, const unsigned char *buf, int count
 	return retval;
 }
 
-static void con_put_char(struct tty_struct *tty, unsigned char ch)
+static int con_put_char(struct tty_struct *tty, unsigned char ch)
 {
 	if (in_interrupt())
-		return;	/* n_r3964 calls put_char() from interrupt context */
-	do_con_write(tty, &ch, 1);
+		return 0;	/* n_r3964 calls put_char() from interrupt context */
+	return do_con_write(tty, &ch, 1);
 }
 
 static int con_write_room(struct tty_struct *tty)