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path: root/drivers/usb/serial/kobil_sct.c
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Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
-rw-r--r--drivers/usb/serial/kobil_sct.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 078f9ed419c8..3d2bd65df0fc 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -414,8 +414,6 @@ static int kobil_tiocmset(struct tty_struct *tty,
int result;
int dtr = 0;
int rts = 0;
- unsigned char *transfer_buffer;
- int transfer_buffer_length = 8;
/* FIXME: locking ? */
priv = usb_get_serial_port_data(port);
@@ -425,11 +423,6 @@ static int kobil_tiocmset(struct tty_struct *tty,
return -EINVAL;
}
- /* allocate memory for transfer buffer */
- transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
- if (!transfer_buffer)
- return -ENOMEM;
-
if (set & TIOCM_RTS)
rts = 1;
if (set & TIOCM_DTR)
@@ -469,7 +462,6 @@ static int kobil_tiocmset(struct tty_struct *tty,
KOBIL_TIMEOUT);
}
dev_dbg(dev, "%s - Send set_status_line URB returns: %i\n", __func__, result);
- kfree(transfer_buffer);
return (result < 0) ? result : 0;
}
@@ -530,8 +522,6 @@ static int kobil_ioctl(struct tty_struct *tty,
{
struct usb_serial_port *port = tty->driver_data;
struct kobil_private *priv = usb_get_serial_port_data(port);
- unsigned char *transfer_buffer;
- int transfer_buffer_length = 8;
int result;
if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
@@ -541,10 +531,6 @@ static int kobil_ioctl(struct tty_struct *tty,
switch (cmd) {
case TCFLSH:
- transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL);
- if (!transfer_buffer)
- return -ENOBUFS;
-
result = usb_control_msg(port->serial->dev,
usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_Misc,
@@ -559,7 +545,6 @@ static int kobil_ioctl(struct tty_struct *tty,
dev_dbg(&port->dev,
"%s - Send reset_all_queues (FLUSH) URB returns: %i\n",
__func__, result);
- kfree(transfer_buffer);
return (result < 0) ? -EIO: 0;
default:
return -ENOIOCTLCMD;