linux-kernel - Re: [PATCH] crypto/caam: Avoid GCC constprop bug warning

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Message-ID: <CADYN=9J2tP7GG80-mzmUe3ad9-OTd_jbE7Y2yMafvwADLLjz9g@mail.gmail.com>
Date:   Fri, 2 Dec 2022 01:59:39 +0100
From:   Anders Roxell <anders.roxell@...aro.org>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Kees Cook <keescook@...omium.org>,
        Horia Geantă <horia.geanta@....com>,
        Pankaj Gupta <pankaj.gupta@....com>,
        Gaurav Jain <gaurav.jain@....com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, kernel test robot <lkp@...el.com>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] crypto/caam: Avoid GCC constprop bug warning

On Thu, 1 Dec 2022 at 13:10, Herbert Xu <herbert@...dor.apana.org.au> wrote:
>
> On Thu, Dec 01, 2022 at 12:52:44PM +0100, Anders Roxell wrote:
> .
> > I think that was fixed in sparse release v0.5.1 [1]. The workaround 'if
> > (len)' was introduced back in 2011, and the sparse release v0.5.1 was
> > done in 2017. So it should probably be safe to remove the 'if (len)'  or
> > what do you think?
>
> Could you please send a patch? :)

Please ignore my previous email... since its not the 'if (len)' statement that
GCC comlains about.

Cheers,
Anders


>
> Thanks,
> --
> Email: Herbert Xu <herbert@...dor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt