1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 96423f3c8ef3..c248a9147439 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -523,7 +523,7 @@ static int opticon_startup(struct usb_serial *serial)
                         goto error;
                 }
 
-                priv->buffer_size = le16_to_cpu(endpoint->wMaxPacketSize) * 2;
+                priv->buffer_size = usb_endpoint_maxp(endpoint) * 2;
                 priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL);
                 if (!priv->bulk_in_buffer) {
                         dev_err(&priv->udev->dev, "out of memory\n");