linux-kernel - Re: [PATCH 15/68] TTY: ipwireless, fix tty->index handling

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Message-ID: <alpine.LNX.2.00.1203051503000.23367@pobox.suse.cz>
Date:	Mon, 5 Mar 2012 15:03:27 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	gregkh@...uxfoundation.org, alan@...ux.intel.com,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	jirislaby@...il.com, David Sterba <dsterba@...e.cz>
Subject: Re: [PATCH 15/68] TTY: ipwireless, fix tty->index handling

On Mon, 5 Mar 2012, Jiri Slaby wrote:

> * do not test if tty->index is in bounds. It is always.
> * tty->index is not a minor! Fix that.
> 
> >From now on, let's assume that the parameter of the function is tty
> index with base being zero. This makes also the code more readable.
> 
> Factually, there is no real change as tty_driver->minor_start is zero,
> so the tests are equivalent. But it did not make sense. And if this
> had changed eventually, it would have caused troubles.
> 
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Jiri Kosina <jkosina@...e.cz>
> Cc: David Sterba <dsterba@...e.cz>

Acked-by: Jiri Kosina <jkosina@...e.cz>

Thanks Jiri.

-- 
Jiri Kosina
SUSE Labs
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