linux-kernel - [PATCH] specialix: Switch to int put

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Date:	Sun, 13 Apr 2008 18:17:56 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	akpm@...l.org, linux-kernel@...r.kernel.org, R.E.Wolff@...Wizard.nl
Subject: [PATCH] specialix: Switch to int put_char method

Signed-off-by: Alan Cox <alan@...hat.com>

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm2/drivers/char/specialix.c linux-2.6.25-rc8-mm2/drivers/char/specialix.c
--- linux.vanilla-2.6.25-rc8-mm2/drivers/char/specialix.c	2008-04-13 15:36:53.000000000 +0100
+++ linux-2.6.25-rc8-mm2/drivers/char/specialix.c	2008-04-13 15:41:03.000000000 +0100
@@ -1692,7 +1692,7 @@
 }
 
 
-static void sx_put_char(struct tty_struct * tty, unsigned char ch)
+static int sx_put_char(struct tty_struct * tty, unsigned char ch)
 {
 	struct specialix_port *port = (struct specialix_port *)tty->driver_data;
 	unsigned long flags;
@@ -1702,12 +1702,12 @@
 
 	if (sx_paranoia_check(port, tty->name, "sx_put_char")) {
 		func_exit();
-		return;
+		return 0;
 	}
 	dprintk (SX_DEBUG_TX, "check tty: %p %p\n", tty, port->xmit_buf);
 	if (!port->xmit_buf) {
 		func_exit();
-		return;
+		return 0;
 	}
 	bp = port_Board(port);
 	spin_lock_irqsave(&port->lock, flags);
@@ -1717,7 +1717,7 @@
 		spin_unlock_irqrestore(&port->lock, flags);
 		dprintk (SX_DEBUG_TX, "Exit size\n");
 		func_exit();
-		return;
+		return 0;
 	}
 	dprintk (SX_DEBUG_TX, "Handle xmit: %p %p\n", port, port->xmit_buf);
 	port->xmit_buf[port->xmit_head++] = ch;
@@ -1726,6 +1726,7 @@
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	func_exit();
+	return 1;
 }
 
 
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