Hi Jeff,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-next
head:   713fdd18bf2d10c67c728a6342decf04a507d168
commit: 8e152695fe7d624ed7e96c463cece988774fdc91 [17/22] vfs: make path_openat take a struct filename pointer
config: i386-randconfig-b180 (attached as .config)

All error/warnings:

In file included from include/linux/fsnotify.h:15:0,
                 from fs/namei.c:24:
include/linux/audit.h: In function 'audit_reusename':
include/linux/audit.h:676:1: warning: no return statement in function returning non-void [-Wreturn-type]
include/linux/audit.h: In function '__audit_reusename':
include/linux/audit.h:678:1: warning: no return statement in function returning non-void [-Wreturn-type]
fs/namei.c: In function 'getname_flags':
fs/namei.c:167:3: warning: passing argument 1 of 'audit_getname' from incompatible pointer type [enabled by default]
In file included from include/linux/fsnotify.h:15:0,
                 from fs/namei.c:24:
include/linux/audit.h:679:20: note: expected 'const char *' but argument is of type 'struct filename *'
fs/namei.c: At top level:
fs/namei.c:185:6: error: redefinition of 'final_putname'
fs/namei.c:120:6: note: previous definition of 'final_putname' was here

vim +185 fs/namei.c

f29cd968 Jeff Layton    2012-10-10  179  getname(const char __user * filename)
f52e0c11 Al Viro        2011-03-14  180  {
f7493e5d Linus Torvalds 2012-03-22  181  	return getname_flags(filename, 0, NULL);
f52e0c11 Al Viro        2011-03-14  182  }
f29cd968 Jeff Layton    2012-10-10  183  EXPORT_SYMBOL(getname);
f52e0c11 Al Viro        2011-03-14  184  
f29cd968 Jeff Layton    2012-10-10 @185  void putname(struct filename *name)
^1da177e Linus Torvalds 2005-04-16  186  {
f29cd968 Jeff Layton    2012-10-10  187  #ifdef CONFIG_AUDITSYSCALL
5ac3a9c2 Al Viro        2006-07-16  188  	if (unlikely(!audit_dummy_context()))

The code at line 185 was first introduced by commit:
f29cd96 vfs: define struct filename and have getname() return it

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation