linux-kernel - Re: [PATCH] TTY: Wrong unicode value copied in con_set

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Message-ID: <20120315185514.GB11142@kroah.com>
Date:	Thu, 15 Mar 2012 11:55:14 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Liz Clark <liz.clark@...com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] TTY: Wrong unicode value copied in con_set_unimap()

On Thu, Mar 15, 2012 at 10:33:29AM -0700, Liz Clark wrote:
> Bugzilla 40012: PIO_UNIMAP bug: error updating Unicode-to-font map
> 
> The unicode font map for the virtual console is a 32x32x64 table which
> allocates rows dynamically as entries are added.  The unicode value
> increases sequentially and should count all entries even in empty
> rows.  The defect is when copying the unicode font map in con_set_unimap(),
> the unicode value is not incremented properly.  The wrong unicode value
> is entered in the new font map.
> 
> Signed-off-by: Liz Clark <liz.clark@...com>

Is this a new problem caused by recent changes in this area, or has it
always been there and needs to be backported to older kernels to solve
the problem there?

thanks,

greg k-h
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