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authorPaul Fulghum <paulkf@microgate.com>2006-04-13 22:28:17 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 15:04:09 -0700
commitca85485c1f482e6625f36aceb85eaaeff4b22d79 (patch)
tree8baa96756703e12b9033b8618bd0cdbfc2a1143b /drivers/usb/serial/usb-serial.c
parent57845bd104233cb75b9ab3624f7ea7662298bc27 (diff)
[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>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 9c36f0ece20..de9111d97a5 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,