fs/ceph/debugfs.c:297:2: warning: 'return' with a value, in function returning void

[kbuild test robot]

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bed38c3e2dca01b358a62b5e73b46e875742fd75
commit: 1a829ff2a6c37187ff8020488e84ec392cb94854 ceph: no need to check return value of debugfs_create functions
date:   3 weeks ago
config: x86_64-randconfig-s1-07251243 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout 1a829ff2a6c37187ff8020488e84ec392cb94854
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   fs/ceph/debugfs.c: In function 'ceph_fs_debugfs_init':
>> fs/ceph/debugfs.c:297:2: warning: 'return' with a value, in function returning void
     return 0;
     ^

vim +/return +297 fs/ceph/debugfs.c

039934b8 Sage Weil          2009-11-12  294  
1a829ff2 Greg Kroah-Hartman 2019-06-12  295  void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
039934b8 Sage Weil          2009-11-12  296  {
039934b8 Sage Weil          2009-11-12 @297  	return 0;
039934b8 Sage Weil          2009-11-12  298  }
039934b8 Sage Weil          2009-11-12  299  

:::::: The code at line 297 was first introduced by commit
:::::: 039934b895c89c2bb40aa5132efe00e60b70efca ceph: build cleanly without CONFIG_DEBUG_FS

:::::: TO: Sage Weil <sage@xxxxxxxxxxxx>
:::::: CC: Sage Weil <sage@xxxxxxxxxxxx>

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