[miklos-vfs:fileattr_v4 22/23] fs/fuse/ioctl.c:403:19: warning: no previous prototype for function 'fuse_priv_ioctl_prepare'

* [miklos-vfs:fileattr_v4 22/23] fs/fuse/ioctl.c:403:19: warning: no previous prototype for function 'fuse_priv_ioctl_prepare'
@ 2021-04-08  6:42 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-04-08  6:42 UTC (permalink / raw)
  To: Miklos Szeredi; +Cc: kbuild-all, clang-built-linux, linux-unionfs

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git fileattr_v4
head:   621a35401402871cedd0fbd583bb2d0b961af609
commit: 37efe2f3c88fb040c7543f05b72a8c0589bbc447 [22/23] fuse: convert to fileattr
config: x86_64-randconfig-a004-20210407 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 56ea2e2fdd691136d5e6631fa0e447173694b82c)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git/commit/?id=37efe2f3c88fb040c7543f05b72a8c0589bbc447
        git remote add miklos-vfs https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git
        git fetch --no-tags miklos-vfs fileattr_v4
        git checkout 37efe2f3c88fb040c7543f05b72a8c0589bbc447
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/fuse/ioctl.c:403:19: warning: no previous prototype for function 'fuse_priv_ioctl_prepare' [-Wmissing-prototypes]
   struct fuse_file *fuse_priv_ioctl_prepare(struct inode *inode)
                     ^
   fs/fuse/ioctl.c:403:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct fuse_file *fuse_priv_ioctl_prepare(struct inode *inode)
   ^
   static 
>> fs/fuse/ioctl.c:414:6: warning: no previous prototype for function 'fuse_priv_ioctl_cleanup' [-Wmissing-prototypes]
   void fuse_priv_ioctl_cleanup(struct inode *inode, struct fuse_file *ff)
        ^
   fs/fuse/ioctl.c:414:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void fuse_priv_ioctl_cleanup(struct inode *inode, struct fuse_file *ff)
   ^
   static 
   2 warnings generated.

vim +/fuse_priv_ioctl_prepare +403 fs/fuse/ioctl.c

   402	
 > 403	struct fuse_file *fuse_priv_ioctl_prepare(struct inode *inode)
   404	{
   405		struct fuse_mount *fm = get_fuse_mount(inode);
   406		bool isdir = S_ISDIR(inode->i_mode);
   407	
   408		if (!S_ISREG(inode->i_mode) && !isdir)
   409			return ERR_PTR(-ENOTTY);
   410	
   411		return fuse_file_open(fm, get_node_id(inode), O_RDONLY, isdir);
   412	}
   413	
 > 414	void fuse_priv_ioctl_cleanup(struct inode *inode, struct fuse_file *ff)
   415	{
   416		fuse_file_release(inode, ff, O_RDONLY, NULL, S_ISDIR(inode->i_mode));
   417	}
   418	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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