[PATCH v2 2/5] crash_dump: save the dm crypt key temporarily

[kernel test robot]

Hi Coiby,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v6.7]
[cannot apply to linus/master next-20240112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Coiby-Xu/kexec_file-allow-to-place-kexec_buf-randomly/20240110-151859
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20240110071522.1308935-3-coxu%40redhat.com
patch subject: [PATCH v2 2/5] crash_dump: save the dm crypt key temporarily
config: i386-buildonly-randconfig-002-20240113 (https://download.01.org/0day-ci/archive/20240114/202401140128.MBysmTaN-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240114/202401140128.MBysmTaN-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401140128.MBysmTaN-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: kernel/ksysfs.o: in function `crash_dm_crypt_key_store':
>> ksysfs.c:(.text+0x2d0): undefined reference to `crash_sysfs_dm_crypt_key_write'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki