From 96a8d14e875a017f9e9e71d93433414e9fb8863f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 24 Jan 2013 09:41:43 +0300
Subject: [PATCH] staging: cxt1e1: buffer overflow in do_del_chan()

If we don't restrict "cp.channum" to 3 digits then the sprintf() will
overflow.  I've added a check and changed the sprintf() to snprintf().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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