Re: [PATCH] fs: hfsplus: remove redundant NULL check before kfree()

From: Viacheslav Dubeyko

Date: Mon Jul 27 2026 - 21:02:04 EST


On Sun, 2026-07-26 at 12:12 +0530, mdshahid03@xxxxxxxxx wrote:
> From: Mohammad Shahid <mdshahid03@xxxxxxxxx>
>
> kfree() safely handles NULL pointers, so the explicit NULL check
> before calling kfree() is unnecessary.
>
> This issue was reported by ifnullfree.cocci.
>
> Signed-off-by: Mohammad Shahid <mdshahid03@xxxxxxxxx>
> ---
>  fs/hfsplus/unicode_test.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/hfsplus/unicode_test.c b/fs/hfsplus/unicode_test.c
> index 83737c9bafa0..7f6b2a3c69d9 100644
> --- a/fs/hfsplus/unicode_test.c
> +++ b/fs/hfsplus/unicode_test.c
> @@ -39,8 +39,7 @@ static struct test_mock_string_env
> *setup_mock_str_env(u32 buf_size)
>  
>  static void free_mock_str_env(struct test_mock_string_env *env)
>  {
> - if (env->buf)
> - kfree(env->buf);
> + kfree(env->buf);
>   kfree(env);
>  }
>  

Makes sense.

Reviewed-by: Viacheslav Dubeyko <slava@xxxxxxxxxxx>

Thanks,
Slava.