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Commit 8ee1592d authored by Johan Hovold's avatar Johan Hovold
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USB: serial: omninet: simplify endpoint check 



Simplify the endpoint sanity check by letting core verify that the
required endpoints are present.

Note that the driver uses the second bulk-out endpoint for writing.

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 206ff831

drivers/usb/serial/omninet.c

+1 −13
Original line number Diff line number Diff line
@@ -37,7 +37,6 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, 
				const unsigned char *buf, int count);

static int  omninet_write_room(struct tty_struct *tty);

static void omninet_disconnect(struct usb_serial *serial);

static int omninet_attach(struct usb_serial *serial);

static int omninet_port_probe(struct usb_serial_port *port);

static int omninet_port_remove(struct usb_serial_port *port);
@@ -56,7 +55,7 @@ static struct usb_serial_driver zyxel_omninet_device = { 
	.description =		"ZyXEL - omni.net lcd plus usb",

	.id_table =		id_table,

	.num_ports =		1,

	.attach =		omninet_attach,

	.num_bulk_out =		2,

	.port_probe =		omninet_port_probe,

	.port_remove =		omninet_port_remove,

	.write =		omninet_write,
@@ -104,17 +103,6 @@ struct omninet_data { 
	__u8	od_outseq;	/* Sequence number for bulk_out URBs */

};



static int omninet_attach(struct usb_serial *serial)

{

	/* The second bulk-out endpoint is used for writing. */

	if (serial->num_bulk_out < 2) {

		dev_err(&serial->interface->dev, "missing endpoints\n");

		return -ENODEV;

	}



	return 0;

}



static int omninet_port_probe(struct usb_serial_port *port)

{

	struct omninet_data *od;