linux-kernel - Re: [PATCH] drivers/tty/serial: deal with 8250

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Message-ID: <1392843083.11798.74.camel@acox1-desk.ger.corp.intel.com>
Date:	Wed, 19 Feb 2014 20:51:23 +0000
From:	Alan Cox <alan@...ux.intel.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/tty/serial: deal with 8250_core.c uninitialized
 warning for good

On Wed, 2014-02-19 at 15:00 -0500, Paul Gortmaker wrote:
> Every couple of months, someone sends a patch to fix:
> 
> drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain':
> drivers/tty/serial/8250/8250_core.c:1712:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
> 
> and they in turn get a NACK for their efforts, and are told that
> their compiler is broken.  This has been going on since at least
> the year 2008:  https://lkml.org/lkml/2008/11/24/433
> 
> Lets add a comment, so that subsequent patches don't get as far as
> the maintainers or the mailing lists.

Are people still using gcc variants that get this wrong ?

Fine by me.

Acked-by: Alan Cox <alan@...ux.intel.com>


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