[zx2c4:master 9/10] ERROR: modpost: "wake_up_state" [drivers/char/hw_random/rng-core.ko] undefined!

kernel test robot
2022-06-28T20:57:37Z

tree: https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/linux.git master
head: 9b3548a2475866d26bdeee84d62eecf1bc94d22a
commit: 78223ae64136d911588115c6c317a31305100ce4 [9/10] ath9k: let sleep be interrupted when unregistering hwrng
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20220629/202206290411.mqUgqNBX-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
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/zx2c4/linux.git/commit/?id=78223ae64136d911588115c6c317a31305100ce4
git remote add zx2c4 https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/linux.git
git fetch --no-tags zx2c4 master
git checkout 78223ae64136d911588115c6c317a31305100ce4
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "wake_up_state" [drivers/char/hw_random/rng-core.ko] undefined!

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0-DAY CI Kernel Test Service