[kbuild-all] [mcgrof:20210910-sysfs-generic-deadlock-fix 3/10] lib/test_sysfs.c:148:26: sparse: sparse: symbol 'first_test_dev' was not declared. Should it be static?

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git 20210910-sysfs-generic-deadlock-fix head: 45e10e4ef8d083225f3fcd0157b447f2de52b5ed commit: ed2111f617d4365d6a7a5032ae2002e434d901bc [3/10] selftests: add tests_sysfs module config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/commit/?... git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git git fetch --no-tags mcgrof 20210910-sysfs-generic-deadlock-fix git checkout ed2111f617d4365d6a7a5032ae2002e434d901bc # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org