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path: root/drivers/usb/serial/option.c
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Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 7716000045b..52bdf6fe46f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -95,11 +95,11 @@ static struct usb_device_id option_ids[] = {
MODULE_DEVICE_TABLE(usb, option_ids);
static struct usb_driver option_driver = {
- .owner = THIS_MODULE,
.name = "option",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = option_ids,
+ .no_dynamic_id = 1,
};
/* The card has three separate interfaces, wich the serial driver
@@ -321,7 +321,7 @@ static int option_write(struct usb_serial_port *port,
static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
{
- int i, err;
+ int err;
int endpoint;
struct usb_serial_port *port;
struct tty_struct *tty;
@@ -338,11 +338,8 @@ static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
} else {
tty = port->tty;
if (urb->actual_length) {
- for (i = 0; i < urb->actual_length ; ++i) {
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- tty_flip_buffer_push(tty);
- tty_insert_flip_char(tty, data[i], 0);
- }
+ tty_buffer_request_room(tty, urb->actual_length);
+ tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
} else {
dbg("%s: empty read urb received", __FUNCTION__);