linux-kernel - Re: [PATCH v2 1/1] lockd: Change nsm_use

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Date:   Mon, 12 Dec 2016 20:54:37 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Jia He <hejianet@...il.com>
Cc:     kbuild-all@...org, linux-nfs@...r.kernel.org,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Jeff Layton <jlayton@...chiereds.net>,
        Trond Myklebust <trond.myklebust@...marydata.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        linux-kernel@...r.kernel.org, Jia He <hejianet@...il.com>
Subject: Re: [PATCH v2 1/1] lockd: Change nsm_use_hostnames from bool to u32

Hi Jia,

[auto build test ERROR on nfsd/nfsd-next]
[also build test ERROR on v4.9 next-20161209]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Jia-He/lockd-Change-nsm_use_hostnames-from-bool-to-u32/20161212-001614
base:   git://linux-nfs.org/~bfields/linux.git nfsd-next
config: x86_64-kexec (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from include/linux/module.h:18:0,
                    from fs/lockd/svc.c:15:
>> include/linux/moduleparam.h:146:27: error: expected ')' before '&' token
     param_check_##type(name, &(value));       \
                              ^
   include/linux/moduleparam.h:126:2: note: in expansion of macro 'module_param_named'
     module_param_named(name, name, type, perm)
     ^~~~~~~~~~~~~~~~~~
   fs/lockd/svc.c:661:1: note: in expansion of macro 'module_param'
    module_param(nsm_use_hostnames, u32, 0644);
    ^~~~~~~~~~~~
>> include/linux/moduleparam.h:147:25: error: 'param_ops_u32' undeclared here (not in a function)
     module_param_cb(name, &param_ops_##type, &value, perm);     \
                            ^
   include/linux/moduleparam.h:224:39: note: in definition of macro '__module_param_call'
     = { __param_str_##name, THIS_MODULE, ops,   \
                                          ^~~
   include/linux/moduleparam.h:147:2: note: in expansion of macro 'module_param_cb'
     module_param_cb(name, &param_ops_##type, &value, perm);     \
     ^~~~~~~~~~~~~~~
   include/linux/moduleparam.h:126:2: note: in expansion of macro 'module_param_named'
     module_param_named(name, name, type, perm)
     ^~~~~~~~~~~~~~~~~~
   fs/lockd/svc.c:661:1: note: in expansion of macro 'module_param'
    module_param(nsm_use_hostnames, u32, 0644);
    ^~~~~~~~~~~~

vim +146 include/linux/moduleparam.h

546970bc Rusty Russell 2010-08-11  140   *
546970bc Rusty Russell 2010-08-11  141   * Usually it's a good idea to have variable names and user-exposed names the
546970bc Rusty Russell 2010-08-11  142   * same, but that's harder if the variable must be non-static or is inside a
546970bc Rusty Russell 2010-08-11  143   * structure.  This allows exposure under a different name.
546970bc Rusty Russell 2010-08-11  144   */
546970bc Rusty Russell 2010-08-11  145  #define module_param_named(name, value, type, perm)			   \
546970bc Rusty Russell 2010-08-11 @146  	param_check_##type(name, &(value));				   \
546970bc Rusty Russell 2010-08-11 @147  	module_param_cb(name, &param_ops_##type, &value, perm);		   \
546970bc Rusty Russell 2010-08-11  148  	__MODULE_PARM_TYPE(name, #type)
546970bc Rusty Russell 2010-08-11  149  
546970bc Rusty Russell 2010-08-11  150  /**

:::::: The code at line 146 was first introduced by commit
:::::: 546970bc6afc7fb37447fbac09b82c7884662c21 param: add kerneldoc to moduleparam.h

:::::: TO: Rusty Russell <rusty@...tcorp.com.au>
:::::: CC: Rusty Russell <rusty@...tcorp.com.au>

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