tnc.c:undefined reference to `ubifs_bad_hash'

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a2f5ea9e314ba6778f885c805c921e9362ec0420
commit: 0da310e82d3a9bff6ef6b0f2fbf45d1a05cc64fe riscv: gcov: enable gcov for RISC-V
date:   11 months ago
config: riscv-randconfig-r003-20201209 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0da310e82d3a9bff6ef6b0f2fbf45d1a05cc64fe
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 0da310e82d3a9bff6ef6b0f2fbf45d1a05cc64fe
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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

All errors (new ones prefixed by >>):

   riscv32-linux-ld: fs/ubifs/tnc.o: in function `.L345':
>> tnc.c:(.text+0x4c9c): undefined reference to `ubifs_bad_hash'
   riscv32-linux-ld: fs/ubifs/tnc.o: in function `.L362':
   tnc.c:(.text+0x544a): undefined reference to `ubifs_bad_hash'
   riscv32-linux-ld: fs/ubifs/tnc_misc.o: in function `.L36':
>> tnc_misc.c:(.text+0x778): undefined reference to `ubifs_bad_hash'
   riscv32-linux-ld: fs/ubifs/tnc_misc.o: in function `.L187':
   tnc_misc.c:(.text+0x2cce): undefined reference to `ubifs_bad_hash'

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

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