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Commit fc43e651 authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: mos7840: remove unused write URB 



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

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 5c75633e

drivers/usb/serial/mos7840.c

+0 −8
Original line number Diff line number Diff line
@@ -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);