diff options
Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
| -rw-r--r-- | drivers/usb/serial/symbolserial.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index b282c0f2d8e..d9457bd4fe1 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/tty.h> +#include <linux/slab.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> @@ -21,7 +22,7 @@ static int debug; -static struct usb_device_id id_table[] = { +static const struct usb_device_id id_table[] = { { USB_DEVICE(0x05e0, 0x0600) }, { }, }; @@ -51,7 +52,6 @@ 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); @@ -89,18 +89,13 @@ 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 { dev_dbg(&priv->udev->dev, - "Improper ammount of data received from the device, " + "Improper amount of data received from the device, " "%d bytes", urb->actual_length); } |