From: Miguel Angel Alvarez <[EMAIL PROTECTED]>
Just the serial port in the first interface should control DTR and RTS
lines. This way, the closing of the rest of the ports does not produce a=
hangup in the communication.
Signed-off-by: Miguel Angel Alvarez <[EMAIL PROTECTED]>
Signed-off-by: Matthias Urlichs <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/serial/option.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 819266b..5ca04e8 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -625,6 +625,9 @@ static int option_send_setup(struct usb_serial_port *port)
dbg("%s", __FUNCTION__);
+ if (port->number != 0)
+ return 0;
+
portdata = usb_get_serial_port_data(port);
if (port->tty) {
--
1.4.4.3
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