netdev - Re: [PATCH bpf-next v8 01/11] fs,security: Add a security blob to nameidata

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Message-ID: <201803010059.epnyXU90%fengguang.wu@intel.com>
Date:   Thu, 1 Mar 2018 00:27:33 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Mickaël Salaün <mic@...ikod.net>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Mickaël Salaün <mic@...ikod.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Andy Lutomirski <luto@...capital.net>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Drysdale <drysdale@...gle.com>,
        "David S . Miller" <davem@...emloft.net>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        James Morris <james.l.morris@...cle.com>,
        Jann Horn <jann@...jh.net>, Jonathan Corbet <corbet@....net>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Paul Moore <paul@...l-moore.com>,
        Sargun Dhillon <sargun@...gun.me>,
        "Serge E . Hallyn" <serge@...lyn.com>,
        Shuah Khan <shuah@...nel.org>, Tejun Heo <tj@...nel.org>,
        Thomas Graf <tgraf@...g.ch>, Tycho Andersen <tycho@...ho.ws>,
        Will Drewry <wad@...omium.org>,
        kernel-hardening@...ts.openwall.com, linux-api@...r.kernel.org,
        linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        James Morris <jmorris@...ei.org>,
        John Johansen <john.johansen@...onical.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH bpf-next v8 01/11] fs,security: Add a security blob to
 nameidata

Hi Mickaël,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Micka-l-Sala-n/Landlock-LSM-Toward-unprivileged-sandboxing/20180228-233659
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-randconfig-x017-201808 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from fs//quota/dquot.c:74:0:
>> include/linux/security.h:815:10: warning: 'struct nameidata_lookup' declared inside parameter list will not be visible outside of this definition or declaration
      struct nameidata_lookup *lookup, struct inode *inode)
             ^~~~~~~~~~~~~~~~

vim +815 include/linux/security.h

   813	
   814	static inline void security_nameidata_put_lookup(
 > 815			struct nameidata_lookup *lookup, struct inode *inode)
   816	{ }
   817	

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