Hi,
OK, it seems that hangup should do what we want, however error codes
should be fixed
5) there's a race between write() and disconnect()
Regards
Oliver
--- a/drivers/usb/serial/usb-serial.c 2007-01-02 11:44:43.000000000 +0100
+++ b/drivers/usb/serial/usb-serial.c 2007-01-02 12:13:58.000000000 +0100
@@ -281,7 +281,7 @@
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 @@
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;
}
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