tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: ef50c0149ff6aa510790d31eb3ffd5a0d2249727 commit: e166ed14a34253629572f1f31e1389c1d606c342 [46/47] media: c8sectpfe: no need to check return value of debugfs_create functions config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e166ed14a34253629572f1f31e1389c1d606c342 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c: In function 'c8sectpfe_debugfs_init': >> drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c:237:48: error: 'root' undeclared (first use in this function); did you mean 'ror8'? debugfs_create_regset32("registers", S_IRUGO, root, fei->regset); ^~~~ ror8 drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c:237:48: note: each undeclared identifier is reported only once for each function it appears in vim +237 drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c 225 226 void c8sectpfe_debugfs_init(struct c8sectpfei *fei) 227 { 228 fei->regset = devm_kzalloc(fei->dev, sizeof(*fei->regset), GFP_KERNEL); 229 if (!fei->regset) 230 return; 231 232 fei->regset->regs = fei_sys_regs; 233 fei->regset->nregs = ARRAY_SIZE(fei_sys_regs); 234 fei->regset->base = fei->io; 235 236 fei->root = debugfs_create_dir("c8sectpfe", NULL); > 237 debugfs_create_regset32("registers", S_IRUGO, root, fei->regset); 238 } 239 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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