[3.8.y.z extended stable] Patch "serial: vt8500: Fix range-checking on vt8500_uart_ports" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    serial: vt8500: Fix range-checking on vt8500_uart_ports

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.12.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 8beb4c0b6218b9221cb1ca05993ce3e83fdd0fd8 Mon Sep 17 00:00:00 2001
From: Tony Prisk <linux at prisktech.co.nz>
Date: Thu, 17 Jan 2013 08:05:40 +1300
Subject: serial: vt8500: Fix range-checking on vt8500_uart_ports

commit 27dd2e04923341cff96aae164117c44da1072c32 upstream.

Fix two instances where the index to vt8500_uart_ports is tested
against > VT8500_MAX_PORTS. Correct usage should be >= VT8500_MAX_PORTS.

Signed-off-by: Tony Prisk <linux at prisktech.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/tty/serial/vt8500_serial.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index d5ed9f6..90b837f 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -569,7 +569,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)

 	if (np)
 		port = of_alias_get_id(np, "serial");
-		if (port > VT8500_MAX_PORTS)
+		if (port >= VT8500_MAX_PORTS)
 			port = -1;
 	else
 		port = -1;
@@ -580,7 +580,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)
 					sizeof(vt8500_ports_in_use));
 	}

-	if (port > VT8500_MAX_PORTS)
+	if (port >= VT8500_MAX_PORTS)
 		return -ENODEV;

 	/* reserve the port id */
--
1.8.1.2