1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 2c9137c95730..543d8c79b026 100644
--- 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,