[jarkko-tpmdd:tpm1-s3-bug 32/32] drivers/char/tpm/tpm_tis_core.c:1238:2: error: use of undeclared identifier 'rc'

[kernel test robot <lkp@intel.com>]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git tpm1-s3-bug
head:   f6075147019ca730925d4059a6256ab06fbd5d4c
commit: f6075147019ca730925d4059a6256ab06fbd5d4c [32/32] tpm, tpm_tis: Use tpm_chip_{start,stop}() in tpm_tis_resume()
config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20230426/202304262019.01pU4v2D-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/jarkko/linux-tpmdd.git/commit/?id=f6075147019ca730925d4059a6256ab06fbd5d4c
        git remote add jarkko-tpmdd git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git
        git fetch --no-tags jarkko-tpmdd tpm1-s3-bug
        git checkout f6075147019ca730925d4059a6256ab06fbd5d4c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/char/tpm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304262019.01pU4v2D-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/char/tpm/tpm_tis_core.c:27:
   In file included from drivers/char/tpm/tpm.h:28:
   include/linux/tpm_eventlog.h:167:6: warning: variable 'mapping_size' set but not used [-Wunused-but-set-variable]
           int mapping_size;
               ^
>> drivers/char/tpm/tpm_tis_core.c:1238:2: error: use of undeclared identifier 'rc'
           rc = tpm_chip_start(chip);
           ^
   drivers/char/tpm/tpm_tis_core.c:1239:6: error: use of undeclared identifier 'rc'
           if (rc)
               ^
   drivers/char/tpm/tpm_tis_core.c:1239:6: error: use of undeclared identifier 'rc'
   drivers/char/tpm/tpm_tis_core.c:1239:6: error: use of undeclared identifier 'rc'
   1 warning and 4 errors generated.


vim +/rc +1238 drivers/char/tpm/tpm_tis_core.c

  1232	
  1233	int tpm_tis_resume(struct device *dev)
  1234	{
  1235		struct tpm_chip *chip = dev_get_drvdata(dev);
  1236		int ret;
  1237	
> 1238		rc = tpm_chip_start(chip);
  1239		if (rc)
  1240			return ret;
  1241	
  1242		if (chip->flags & TPM_CHIP_FLAG_IRQ)
  1243			tpm_tis_reenable_interrupts(chip);
  1244	
  1245		ret = tpm_pm_resume(dev);
  1246		if (ret)
  1247			goto out;
  1248	
  1249		/*
  1250		 * TPM 1.2 requires self-test on resume. This function actually returns
  1251		 * an error code but for unknown reason it isn't handled.
  1252		 */
  1253		if (!(chip->flags & TPM_CHIP_FLAG_TPM2))
  1254			tpm1_do_selftest(chip);
  1255	
  1256	out:
  1257		tpm_chip_stop(chip);
  1258	
  1259		return ret;
  1260	}
  1261	EXPORT_SYMBOL_GPL(tpm_tis_resume);
  1262	#endif
  1263	

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