USB: opticon: increase bulk-in size

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

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 2c9137c..543d8c7 100644 (file)
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -492,7 +492,7 @@ static int opticon_port_probe(struct usb_serial_port *port)
        if (!priv->bulk_read_urb)
                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);
        if (!priv->bulk_in_buffer)
                goto error;
@@ -559,6 +559,7 @@ static struct usb_serial_driver opticon_device = {
        },
        .id_table =             id_table,
        .num_ports =            1,
+       .bulk_in_size =         256,
        .attach =               opticon_startup,
        .port_probe =           opticon_port_probe,
        .port_remove =          opticon_port_remove,