USB: serial: mos7840: remove unused write URB

Remove code to manage a write URB that was never allocated.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index bb933c6321e5d8dca139f83ce912abefec3e4dbc..c03cd511669a04175f2b6860c6eca8eb64f8acf4 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -214,7 +214,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
 
 struct moschip_port {
        int port_num;           /*Actual port number in the device(1,2,etc) */
-       struct urb *write_urb;  /* write URB for this port */
        struct urb *read_urb;   /* read URB for this port */
        __u8 shadowLCR;         /* last LCR value received */
        __u8 shadowMCR;         /* last MCR value received */
@@ -1186,7 +1185,6 @@ static void mos7840_close(struct usb_serial_port *port)
                }
        }
 
-       usb_kill_urb(mos7840_port->write_urb);
        usb_kill_urb(mos7840_port->read_urb);
        mos7840_port->read_urb_busy = false;
 
@@ -1199,12 +1197,6 @@ static void mos7840_close(struct usb_serial_port *port)
                }
        }
 
-       if (mos7840_port->write_urb) {
-               /* if this urb had a transfer buffer already (old tx) free it */
-               kfree(mos7840_port->write_urb->transfer_buffer);
-               usb_free_urb(mos7840_port->write_urb);
-       }
-
        Data = 0x0;
        mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);