Hi,

[auto build test ERROR on net/master]
[also build test ERROR on v4.7-rc7]
[cannot apply to next-20160715]
[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/Andrey-Vagin/namespaces-move-user_ns-into-ns_common/20160715-181039
config: openrisc-or1ksim_defconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All error/warnings (new ones prefixed by >>):

>> kernel/user.c:53:2: error: unknown field 'ns' specified in initializer
>> kernel/user.c:53:2: warning: missing braces around initializer
   kernel/user.c:53:2: warning: (near initialization for 'init_user_ns.<anonymous>')
>> kernel/user.c:53:2: error: incompatible types when initializing type 'struct user_namespace *' using type 'enum <anonymous>'

vim +53 kernel/user.c

f76d207a Eric W. Biederman 2012-08-30  47  			.count = 4294967295U,
f76d207a Eric W. Biederman 2012-08-30  48  		},
f76d207a Eric W. Biederman 2012-08-30  49  	},
c61a2810 Eric W. Biederman 2012-12-28  50  	.count = ATOMIC_INIT(3),
783291e6 Eric W. Biederman 2011-11-17  51  	.owner = GLOBAL_ROOT_UID,
783291e6 Eric W. Biederman 2011-11-17  52  	.group = GLOBAL_ROOT_GID,
435d5f4b Al Viro           2014-10-31 @53  	.ns.inum = PROC_USER_INIT_INO,
33c42940 Al Viro           2014-11-01  54  #ifdef CONFIG_USER_NS
33c42940 Al Viro           2014-11-01  55  	.ns.ops = &userns_operations,
33c42940 Al Viro           2014-11-01  56  #endif

:::::: The code at line 53 was first introduced by commit
:::::: 435d5f4bb2ccba3b791d9ef61d2590e30b8e806e common object embedded into various struct ....ns

:::::: TO: Al Viro <viro@zeniv.linux.org.uk>
:::::: CC: Al Viro <viro@zeniv.linux.org.uk>

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