tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   3c0726114c21cd55c52c8d88f75e6ed300acd12e
commit: 58e651755138ac033c143599a659ad585ff0dbab [235/298] fs/binfmt_elf.c: use list_for_each_entry()
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 6.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 58e651755138ac033c143599a659ad585ff0dbab
        # save the attached .config to linux build tree
        GCC_VERSION=6.4.0 make.cross ARCH=nds32 

All errors (new ones prefixed by >>):

   fs/binfmt_elf.c: In function 'write_note_info':
>> fs/binfmt_elf.c:2124:19: error: 'tmp' undeclared (first use in this function)
      for (i = 0; i < tmp->num_notes; i++)
                      ^~~
   fs/binfmt_elf.c:2124:19: note: each undeclared identifier is reported only once for each function it appears in

vim +/tmp +2124 fs/binfmt_elf.c

3aba481f Roland McGrath  2008-01-30  2111  
3aba481f Roland McGrath  2008-01-30  2112  static int write_note_info(struct elf_note_info *info,
ecc8c772 Al Viro         2013-10-05  2113  			   struct coredump_params *cprm)
3aba481f Roland McGrath  2008-01-30  2114  {
58e65175 Alexey Dobriyan 2019-02-05  2115  	struct elf_thread_status *ets;
3aba481f Roland McGrath  2008-01-30  2116  	int i;
3aba481f Roland McGrath  2008-01-30  2117  
3aba481f Roland McGrath  2008-01-30  2118  	for (i = 0; i < info->numnote; i++)
ecc8c772 Al Viro         2013-10-05  2119  		if (!writenote(info->notes + i, cprm))
3aba481f Roland McGrath  2008-01-30  2120  			return 0;
3aba481f Roland McGrath  2008-01-30  2121  
3aba481f Roland McGrath  2008-01-30  2122  	/* write out the thread status notes section */
58e65175 Alexey Dobriyan 2019-02-05  2123  	list_for_each_entry(ets, &info->thread_list, list) {
3aba481f Roland McGrath  2008-01-30 @2124  		for (i = 0; i < tmp->num_notes; i++)
ecc8c772 Al Viro         2013-10-05  2125  			if (!writenote(&tmp->notes[i], cprm))
3aba481f Roland McGrath  2008-01-30  2126  				return 0;
3aba481f Roland McGrath  2008-01-30  2127  	}
3aba481f Roland McGrath  2008-01-30  2128  
3aba481f Roland McGrath  2008-01-30  2129  	return 1;
3aba481f Roland McGrath  2008-01-30  2130  }
3aba481f Roland McGrath  2008-01-30  2131  

:::::: The code at line 2124 was first introduced by commit
:::::: 3aba481fc94d83ff630d4b7cd2f7447010c4c6df elf core dump: notes reorg

:::::: TO: Roland McGrath <roland@redhat.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

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