netdev - Re: [PATCH v4 3/4] crypto/net/ipv6: sr: Switch to using crypto

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Message-ID: <02e45c4e-1343-3077-2848-b5148faa2d4e@arista.com>
Date:   Wed, 8 Feb 2023 11:57:03 +0000
From:   Dmitry Safonov <dima@...sta.com>
To:     Dan Carpenter <error27@...il.com>
Cc:     lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
        netdev@...r.kernel.org, Andy Lutomirski <luto@...capital.net>,
        Bob Gilligan <gilligan@...sta.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Leonard Crestez <cdleonard@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Salam Noureddine <noureddine@...sta.com>,
        linux-crypto@...r.kernel.org, oe-kbuild@...ts.linux.dev,
        linux-kernel@...r.kernel.org, David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v4 3/4] crypto/net/ipv6: sr: Switch to using crypto_pool

On 2/7/23 11:40, Dan Carpenter wrote:
> Hi Dmitry,
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-Safonov/crypto-Introduce-crypto_pool/20230119-054258
> base:   c1649ec55708ae42091a2f1bca1ab49ecd722d55
> patch link:    https://lore.kernel.org/r/20230118214111.394416-4-dima%40arista.com
> patch subject: [PATCH v4 3/4] crypto/net/ipv6: sr: Switch to using crypto_pool
> config: s390-randconfig-m041-20230206 (https://download.01.org/0day-ci/archive/20230207/202302071833.k6CihGFl-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 12.1.0
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> | Reported-by: Dan Carpenter <error27@...il.com>
> 
> smatch warnings:
> net/ipv6/seg6.c:539 seg6_init() warn: ignoring unreachable code.
> 
> vim +539 net/ipv6/seg6.c
> 
> 4f4853dc1c9c19 David Lebrun   2016-11-08  532  
> 915d7e5e5930b4 David Lebrun   2016-11-08  533  	pr_info("Segment Routing with IPv6\n");
> 915d7e5e5930b4 David Lebrun   2016-11-08  534  
> 915d7e5e5930b4 David Lebrun   2016-11-08  535  out:
> 915d7e5e5930b4 David Lebrun   2016-11-08  536  	return err;
> 754f6619437c57 Dmitry Safonov 2023-01-18  537  
> 46738b1317e169 David Lebrun   2016-11-15  538  #ifdef CONFIG_IPV6_SEG6_LWTUNNEL
> d1df6fd8a1d22d David Lebrun   2017-08-05 @539  	seg6_local_exit();
> 
> Not a bug.  Just dead code.  Some people like to store dead code here
> for later, but it's not a common thing...

Thanks for the report, Dan!

-- 
          Dmitry