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path: root/drivers/usb/serial/symbolserial.c
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Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
-rw-r--r--drivers/usb/serial/symbolserial.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index b282c0f2d8e5..72398888858f 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -21,7 +21,7 @@
static int debug;
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x05e0, 0x0600) },
{ },
};
@@ -51,7 +51,6 @@ static void symbol_int_callback(struct urb *urb)
int status = urb->status;
struct tty_struct *tty;
int result;
- int available_room = 0;
int data_length;
dbg("%s - port %d", __func__, port->number);
@@ -89,13 +88,8 @@ static void symbol_int_callback(struct urb *urb)
*/
tty = tty_port_tty_get(&port->port);
if (tty) {
- available_room = tty_buffer_request_room(tty,
- data_length);
- if (available_room) {
- tty_insert_flip_string(tty, &data[1],
- available_room);
- tty_flip_buffer_push(tty);
- }
+ tty_insert_flip_string(tty, &data[1], data_length);
+ tty_flip_buffer_push(tty);
tty_kref_put(tty);
}
} else {