linux-kernel - fs/hfsplus/unicode_test.c:43:2-7: WARNING: NULL check before some freeing functions is not needed.

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Message-ID: <202601022306.Dll2Dylo-lkp@intel.com>
Date: Fri, 02 Jan 2026 23:17:48 +0800
From: kernel test robot <lkp@...el.com>
To: Viacheslav Dubeyko <slava@...eyko.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: fs/hfsplus/unicode_test.c:43:2-7: WARNING: NULL check before
 some freeing functions is not needed.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b69053dd3ffbc0d2dedbbc86182cdef6f641fe1b
commit: 6f84ceb98538523f49d544aa7c671c87cc23d1b1 hfsplus: introduce KUnit tests for HFS+ string operations
date:   6 weeks ago
config: arm-randconfig-r051-20251231 (https://download.01.org/0day-ci/archive/20260102/202601022306.Dll2Dylo-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 86b9f90b9574b3a7d15d28a91f6316459dcfa046)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601022306.Dll2Dylo-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> fs/hfsplus/unicode_test.c:43:2-7: WARNING: NULL check before some freeing functions is not needed.

vim +43 fs/hfsplus/unicode_test.c

    39	
    40	static void free_mock_str_env(struct test_mock_string_env *env)
    41	{
    42		if (env->buf)
  > 43			kfree(env->buf);
    44		kfree(env);
    45	}
    46	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki