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Date: Tue, 13 Dec 2011 09:50:41 +0000
From: Jamie Iles <jamie@jamieiles.com>
To: Joe Perches <joe@perches.com>
Cc: roel <roel.kluin@gmail.com>, Jamie Iles <jamie@jamieiles.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-crypto <linux-crypto@vger.kernel.org>
Subject: Re: drivers/crypto/picoxcell_crypto.c: boolean and / or confusion
Message-ID: <20111213095041.GA2496@totoro>
References: <4EE688FC.8090606@gmail.com>
 <1323733493.1812.10.camel@joe2Laptop>
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Hi Joe,

On Mon, Dec 12, 2011 at 03:44:53PM -0800, Joe Perches wrote:
> On Tue, 2011-12-13 at 00:06 +0100, roel wrote:
> > The test not [val1] or not [val2] always evaluates to true
> 
> Hey Jamie and Roel
> 
> Looking at drivers with:
> 
> $ grep -rP --include=*.[ch] "(\b[\w\[\]\>\._\-]+)\s*\!\=\s*[\w\[\]\>\._\-]+\s*\|\|\s*\1\s*\!\=" drivers
> 
> drivers/crypto/picoxcell_crypto.c:	if ((len != AES_KEYSIZE_128 || len != AES_KEYSIZE_256) &&
> drivers/crypto/picoxcell_crypto.c:	} else if ((len != AES_KEYSIZE_128 || len != AES_KEYSIZE_256) &&
> 
> Most likely these should be && not ||.

Yup, the original code was incorrect.  Patch to follow.  Thanks Joe!

Jamie