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Commit 333396fc authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: opticon: increase bulk-in size 



Use 256 byte bulk-in buffers rather than double end-point sized ones.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e32d82bc

drivers/usb/serial/opticon.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -492,7 +492,7 @@ static int opticon_port_probe(struct usb_serial_port *port) 
	if (!priv->bulk_read_urb)

	if (!priv->bulk_read_urb)

		goto error;

		goto error;





	priv->buffer_size = 2 * port->bulk_in_size;

	priv->buffer_size = port->bulk_in_size;

	priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL);

	priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL);

	if (!priv->bulk_in_buffer)

	if (!priv->bulk_in_buffer)

		goto error;

		goto error;
@@ -559,6 +559,7 @@ static struct usb_serial_driver opticon_device = { 
	},

	},

	.id_table =		id_table,

	.id_table =		id_table,

	.num_ports =		1,

	.num_ports =		1,

	.bulk_in_size =		256,

	.attach =		opticon_startup,

	.attach =		opticon_startup,

	.port_probe =		opticon_port_probe,

	.port_probe =		opticon_port_probe,

	.port_remove =		opticon_port_remove,

	.port_remove =		opticon_port_remove,