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Commit 590298b2 authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: pl2303: simplify endpoint check 



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

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 32814c87

drivers/usb/serial/pl2303.c

+3 −8
Original line number Diff line number Diff line
@@ -221,17 +221,9 @@ static int pl2303_probe(struct usb_serial *serial, 
static int pl2303_startup(struct usb_serial *serial)

{

	struct pl2303_serial_private *spriv;

	unsigned char num_ports = serial->num_ports;

	enum pl2303_type type = TYPE_01;

	unsigned char *buf;



	if (serial->num_bulk_in < num_ports ||

			serial->num_bulk_out < num_ports ||

			serial->num_interrupt_in < num_ports) {

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

		return -ENODEV;

	}



	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);

	if (!spriv)

		return -ENOMEM;
@@ -939,6 +931,9 @@ static struct usb_serial_driver pl2303_device = { 
	},

	.id_table =		id_table,

	.num_ports =		1,

	.num_bulk_in =		1,

	.num_bulk_out =		1,

	.num_interrupt_in =	1,

	.bulk_in_size =		256,

	.bulk_out_size =	256,

	.open =			pl2303_open,