Re: [f2fs-dev] [PATCH v3 1/7] ext4: Match the f2fs ci_compare implementation

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

Hi Gabriel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tytso-ext4/dev]
[also build test WARNING on jaegeuk-f2fs/dev-test linus/master v5.18-rc6 next-20220509]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Gabriel-Krisman-Bertazi/Clean-up-the-case-insenstive-lookup-path/20220430-022957
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
config: x86_64-rhel-8.3-func (https://download.01.org/0day-ci/archive/20220510/202205100125.ebeEi8X2-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/6bf2e9e6750865e9e033adc185eacd37e8b5b0dd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Gabriel-Krisman-Bertazi/Clean-up-the-case-insenstive-lookup-path/20220430-022957
        git checkout 6bf2e9e6750865e9e033adc185eacd37e8b5b0dd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/ext4/ fs/f2fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   fs/ext4/namei.c: In function 'ext4_match':
>> fs/ext4/namei.c:1430:13: warning: unused variable 'ret' [-Wunused-variable]
    1430 |         int ret;
         |             ^~~


vim +/ret +1430 fs/ext4/namei.c

  1419	
  1420	/*
  1421	 * Test whether a directory entry matches the filename being searched for.
  1422	 *
  1423	 * Return: %true if the directory entry matches, otherwise %false.
  1424	 */
  1425	static bool ext4_match(struct inode *parent,
  1426				      const struct ext4_filename *fname,
  1427				      struct ext4_dir_entry_2 *de)
  1428	{
  1429		struct fscrypt_name f;
> 1430		int ret;
  1431	
  1432		if (!de->inode)
  1433			return false;
  1434	
  1435		f.usr_fname = fname->usr_fname;
  1436		f.disk_name = fname->disk_name;
  1437	#ifdef CONFIG_FS_ENCRYPTION
  1438		f.crypto_buf = fname->crypto_buf;
  1439	#endif
  1440	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp


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