From: Paul Fulghum <paulkf@microgate.com>
Date: Thu, 13 Apr 2006 20:28:17 +0000 (+0200)
Subject: [PATCH] USB: console: prevent ENODEV on node
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ca85485c1f482e6625f36aceb85eaaeff4b22d79;p=openwrt%2Fstaging%2Fblogic.git

[PATCH] USB: console: prevent ENODEV on node

Prevent ENODEV on a /dev/ttyUSBx, used as a USB-serial console.

From: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 9c36f0ece20f..de9111d97a58 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -201,12 +201,12 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 	 
 	++port->open_count;
 
-	if (port->open_count == 1) {
+	/* set up our port structure making the tty driver
+	 * remember our port object, and us it */
+	tty->driver_data = port;
+	port->tty = tty;
 
-		/* set up our port structure making the tty driver
-		 * remember our port object, and us it */
-		tty->driver_data = port;
-		port->tty = tty;
+	if (port->open_count == 1) {
 
 		/* lock this module before we call it
 		 * this may fail, which means we must bail out,