linux-kernel - Re: [PATCH] tty: fix unused warning when TCGETX is not defined

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Date:	Fri, 12 Jun 2009 11:33:20 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: fix unused warning when TCGETX is not defined

On Fri, 12 Jun 2009 06:27:48 -0400
Mike Frysinger <vapier@...too.org> wrote:

> If TCGETX is not defined, we end up with this warning:
> drivers/char/tty_ioctl.c: In function ‘tty_mode_ioctl’:
> drivers/char/tty_ioctl.c:950: warning: unused variable ‘ktermx’
> 
> Since the variable is only used in one case statement, push it down to
> the local case scope.

If I wasn't so nice I'd just make it and the lack of BOTHER definitions
on platforms error. Really there shouldn't be anyone without the features
defined ;)

Alan
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