From 333396fc703860e19eadcdc67def9caa4f3154f4 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Sun, 18 Nov 2012 13:23:33 +0100 Subject: [PATCH] USB: opticon: increase bulk-in size Use 256 byte bulk-in buffers rather than double end-point sized ones. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/opticon.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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, -- 2.20.1