[staging:debugfs_cleanup 814/814] arch/x86//kernel/kdebugfs.c:146:3: error: label 'err_data' used but not defined

kbuild test robot lkp at intel.com
Wed May 30 17:09:59 UTC 2018


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git debugfs_cleanup
head:   05f6bcf9002239baec3686f19f6b279cb67dccbd
commit: 05f6bcf9002239baec3686f19f6b279cb67dccbd [814/814] arch/*: no need to check return value of debugfs_create functions
config: x86_64-randconfig-x007-201821 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        git checkout 05f6bcf9002239baec3686f19f6b279cb67dccbd
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   arch/x86//kernel/kdebugfs.c: In function 'boot_params_kdebugfs_init':
   arch/x86//kernel/kdebugfs.c:150:1: warning: label 'err_dir' defined but not used [-Wunused-label]
    err_dir:
    ^~~~~~~
>> arch/x86//kernel/kdebugfs.c:146:3: error: label 'err_data' used but not defined
      goto err_data;
      ^~~~

vim +/err_data +146 arch/x86//kernel/kdebugfs.c

6d7d74337 Huang, Ying            2008-01-30  133  
6d7d74337 Huang, Ying            2008-01-30  134  static int __init boot_params_kdebugfs_init(void)
6d7d74337 Huang, Ying            2008-01-30  135  {
05f6bcf90 Greg Kroah-Hartman     2018-05-30  136  	struct dentry *dbp;
390cd85c8 Jaswinder Singh Rajput 2009-03-21  137  	int error = -ENOMEM;
6d7d74337 Huang, Ying            2008-01-30  138  
10bce8410 Borislav Petkov        2017-02-27  139  	dbp = debugfs_create_dir("boot_params", arch_debugfs_dir);
390cd85c8 Jaswinder Singh Rajput 2009-03-21  140  
05f6bcf90 Greg Kroah-Hartman     2018-05-30  141  	debugfs_create_x16("version", S_IRUGO, dbp, &boot_params.hdr.version);
05f6bcf90 Greg Kroah-Hartman     2018-05-30  142  	debugfs_create_blob("data", S_IRUGO, dbp, &boot_params_blob);
390cd85c8 Jaswinder Singh Rajput 2009-03-21  143  
c14b2adf1 Huang, Ying            2008-03-28  144  	error = create_setup_data_nodes(dbp);
c14b2adf1 Huang, Ying            2008-03-28  145  	if (error)
c14b2adf1 Huang, Ying            2008-03-28 @146  		goto err_data;
390cd85c8 Jaswinder Singh Rajput 2009-03-21  147  
6d7d74337 Huang, Ying            2008-01-30  148  	return 0;
c14b2adf1 Huang, Ying            2008-03-28  149  
6d7d74337 Huang, Ying            2008-01-30 @150  err_dir:
05f6bcf90 Greg Kroah-Hartman     2018-05-30  151  	debugfs_remove_recursive(dbp);
6d7d74337 Huang, Ying            2008-01-30  152  	return error;
6d7d74337 Huang, Ying            2008-01-30  153  }
390cd85c8 Jaswinder Singh Rajput 2009-03-21  154  #endif /* CONFIG_DEBUG_BOOT_PARAMS */
6d7d74337 Huang, Ying            2008-01-30  155  

:::::: The code at line 146 was first introduced by commit
:::::: c14b2adf19b5d35aff91280b1a73c41a4dcabfe3 x86, boot: export linked list of struct setup_data via debugfs

:::::: TO: Huang, Ying <ying.huang at intel.com>
:::::: CC: Ingo Molnar <mingo at elte.hu>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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