tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 
driver-core-testing
head:   3bd418f13312393093d17a312ec0033395d6892e
commit: 921d5cbeb37c93581429fa2d721ec9c2a40a71f6 [22/31] debugfs: prevent 
access to removed files' private data
config: powerpc-tqm5200_defconfig (attached as .config)
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 921d5cbeb37c93581429fa2d721ec9c2a40a71f6
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/irq.c:54:0:
>> include/linux/debugfs.h:185:12: error: 'debugfs_use_file_start' defined but 
>> not used [-Werror=unused-function]
    static int debugfs_use_file_start(const struct dentry *dentry, int 
*srcu_idx)
               ^
>> include/linux/debugfs.h:191:13: error: 'debugfs_use_file_finish' defined but 
>> not used [-Werror=unused-function]
    static void debugfs_use_file_finish(int srcu_idx) __releases(&debugfs_srcu)
                ^
   cc1: all warnings being treated as errors

vim +/debugfs_use_file_start +185 include/linux/debugfs.h

   179  static inline void debugfs_remove(struct dentry *dentry)
   180  { }
   181  
   182  static inline void debugfs_remove_recursive(struct dentry *dentry)
   183  { }
   184  
 > 185  static int debugfs_use_file_start(const struct dentry *dentry, int 
 > *srcu_idx)
   186          __acquires(&debugfs_srcu)
   187  {
   188          return 0;
   189  }
   190  
 > 191  static void debugfs_use_file_finish(int srcu_idx) 
 > __releases(&debugfs_srcu)
   192  { }
   193  
   194  static inline struct dentry *debugfs_rename(struct dentry *old_dir, 
struct dentry *old_dentry,

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

Attachment: .config.gz
Description: Binary data

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