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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 <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-06-04 18:50:29 +02:00 committed by Greg Kroah-Hartman
parent d8a1d0d54d
commit a07088098a
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/keyspan.c
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@ -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));