diff options
| author | Oliver Neukum <oneukum@suse.de> | 2007-01-13 07:32:27 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-02-07 15:44:38 -0800 |
| commit | 3ff4fd94c86259e44d58946af34231a1586b5d93 (patch) | |
| tree | d940b19178246076e8fec2e7869b24e05e1a9b58 | |
| parent | 4b10f0f3a0d4caa8b615cd1f770a70912967a3cd (diff) | |
USB: race fixes for usb-serial, step 3
- fix an error code returned if a device has been disconnected
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 685fb69bcc3..6bf22a28adb 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -281,7 +281,7 @@ static void serial_close(struct tty_struct *tty, struct file * filp) static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count) { struct usb_serial_port *port = tty->driver_data; - int retval = -EINVAL; + int retval = -ENODEV; if (!port || port->serial->dev->state == USB_STATE_NOTATTACHED) goto exit; @@ -289,6 +289,7 @@ static int serial_write (struct tty_struct * tty, const unsigned char *buf, int dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count); if (!port->open_count) { + retval = -EINVAL; dbg("%s - port not opened", __FUNCTION__); goto exit; } |