[076/141] USB: keyspan: fix bogus array index

Steven Rostedt
2013-07-03T19:00:42Z

[-- Attachment #1: 0076-USB-keyspan-fix-bogus-array-index.patch --]
[-- Type: text/plain, Size: 1224 bytes --]

3.6.11.6 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Johan Hovold <jhovold@gmail.com>

[ Upstream commit a07088098a650267b2eda689538133a324b9523f ]

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>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
drivers/usb/serial/keyspan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 059d44b..caf85ab 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1622,7 +1622,7 @@ 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;

dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe));
--
1.7.10.4