aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/option.c
diff options
context:
space:
mode:
authorMiguel Angel Alvarez <ma.alvarez@ziv.es>2006-12-14 13:49:35 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2007-01-05 15:19:08 -0500
commit8c1527132c25512563b197b35453c7da22b4d699 (patch)
tree53e90cf5ca1056df90e4d99e1a9601a30c490e62 /drivers/usb/serial/option.c
parent25c77b329467d563ec1fa5c3efab0b13996ce810 (diff)
USB: fix interaction between different interfaces in an "Option" usb device
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 <ma.alvarez@ziv.es> Signed-off-by: Matthias Urlichs <matthias@urlichs.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 819266b7e2f8..5ca04e82ea19 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)
625 625
626 dbg("%s", __FUNCTION__); 626 dbg("%s", __FUNCTION__);
627 627
628 if (port->number != 0)
629 return 0;
630
628 portdata = usb_get_serial_port_data(port); 631 portdata = usb_get_serial_port_data(port);
629 632
630 if (port->tty) { 633 if (port->tty) {