linux-kernel - [asahilinux:tipd/v2 1497/2972] fs/smbfs_client/cifsroot.c:83:12: error: no previous prototype for 'cifs_root

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Message-ID: <202110020016.Ckav3h1O-lkp@intel.com>
Date:   Sat, 2 Oct 2021 00:04:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Steve French <stfrench@...rosoft.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Ronnie Sahlberg <lsahlber@...hat.com>
Subject: [asahilinux:tipd/v2 1497/2972] fs/smbfs_client/cifsroot.c:83:12:
 error: no previous prototype for 'cifs_root_data'

Hi Steve,

First bad commit (maybe != root cause):

tree:   https://github.com/AsahiLinux/linux tipd/v2
head:   33646424fbe83c154fa7bfee199e261631e445ed
commit: b4a8c8f8fa8b7b86bb62257fbb27e7bde58ac97e [1497/2972] cifs: rename fs/cifs directory to fs/smbfs_client
config: nios2-allyesconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 11.2.0
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
        # https://github.com/AsahiLinux/linux/commit/b4a8c8f8fa8b7b86bb62257fbb27e7bde58ac97e
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux tipd/v2
        git checkout b4a8c8f8fa8b7b86bb62257fbb27e7bde58ac97e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nios2 

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

All errors (new ones prefixed by >>):

>> fs/smbfs_client/cifsroot.c:83:12: error: no previous prototype for 'cifs_root_data' [-Werror=missing-prototypes]
      83 | int __init cifs_root_data(char **dev, char **opts)
         |            ^~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/cifs_root_data +83 fs/smbfs_client/cifsroot.c

8eecd1c2e5bc73 fs/cifs/cifsroot.c Paulo Alcantara (SUSE  2019-07-16  82) 
8eecd1c2e5bc73 fs/cifs/cifsroot.c Paulo Alcantara (SUSE  2019-07-16 @83) int __init cifs_root_data(char **dev, char **opts)

:::::: The code at line 83 was first introduced by commit
:::::: 8eecd1c2e5bc73d33f3a544751305679dbf88eb4 cifs: Add support for root file systems

:::::: TO: Paulo Alcantara (SUSE) <paulo@...lo.ac>
:::::: CC: Steve French <stfrench@...rosoft.com>

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

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