linux-kernel - Re: [PATCH v2] MIPS: ath79: Avoid using unitialized 'reg' variable

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Date:	Wed, 18 Sep 2013 15:51:56 +0200
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	David Howells <dhowells@...hat.com>,
	Markos Chandras <Markos.Chandras@...tec.com>
Cc:	linux-mips@...ux-mips.org
Subject: Re: [PATCH v2] MIPS: ath79: Avoid using unitialized 'reg' variable

On Wed, Sep 18, 2013 at 03:45:33PM +0200, Ralf Baechle wrote:

> So here's a small test case to demonstrate the issue:
> 
> /*
>  * Definition of BUG taken from asm-generic/bug.h for the CONFIG_BUG=n case
>  */
> #define BUG() 	do {} while(0)
> 
> int foo(int arg)
> {
> 	int res;
> 
> 	if (arg == 1)
> 		res = 23;
> 	else if (arg -= 2)

I fatfingered the testcase while editing the email.  this line of course
is "else if (arg == 2)"

  Ralf
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