From: Johan Hovold Date: Tue, 4 Jun 2013 16:50:29 +0000 (+0200) Subject: USB: keyspan: fix bogus array index X-Git-Tag: firefly_0821_release~3680^2~358^2~6 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a07088098a650267b2eda689538133a324b9523f;p=firefly-linux-kernel-4.4.55.git USB: keyspan: fix bogus array index The outcont_endpoints array was indexed using the port minor number (which can be greater than the array size) rather than the device port number. Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index eb30d7b01f36..d85a3e037490 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1559,7 +1559,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, d_details = s_priv->device_details; device_port = port->number - port->serial->minor; - outcont_urb = d_details->outcont_endpoints[port->number]; + outcont_urb = d_details->outcont_endpoints[device_port]; this_urb = p_priv->outcont_urb; dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe));