Re: [PATCH] tpm: Remove dead NULL check in tpm2_flush_space()

[Jarkko Sakkinen <jarkko@kernel.org>]

On Mon, Apr 27, 2026 at 04:32:26PM +0000, Gunnar Kudrjavets wrote:
> The 'space' pointer in tpm2_flush_space() is assigned from
> &chip->work_space, which is the address of an embedded struct member
> within struct tpm_chip. This address can never be NULL, making the
> NULL check dead code. The new code follows the existing pattern
> established by the other callers in tpm2-space.c which also assign
> from &chip->work_space without a NULL check. Remove the dead code
> to avoid confusion.
> 
> Fixes: e3aaebcbb7c6 ("tpm: Clean up TPM space after command failure")
> Signed-off-by: Gunnar Kudrjavets <gunnarku@amazon.com>
> Assisted-by: Kiro:claude-opus-4.6

Just for sake of understanding:

What is "kiro" and is assisted-by the tag supposed to be used here?

> Reviewed-by: Justinien Bouron <jbouron@amazon.com>
> ---
>  drivers/char/tpm/tpm2-space.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
> index 60354cd53b5c..1eec72eb8208 100644
> --- a/drivers/char/tpm/tpm2-space.c
> +++ b/drivers/char/tpm/tpm2-space.c
> @@ -169,9 +169,6 @@ void tpm2_flush_space(struct tpm_chip *chip)
>  	struct tpm_space *space = &chip->work_space;
>  	int i;
>  
> -	if (!space)
> -		return;
> -
>  	for (i = 0; i < ARRAY_SIZE(space->context_tbl); i++)
>  		if (space->context_tbl[i] && ~space->context_tbl[i])
>  			tpm2_flush_context(chip, space->context_tbl[i]);
> 
> base-commit: 949692da7211572fac419b2986b6abc0cd1aeb76
> -- 
> 2.47.3
> 

It's all good otherwise, just need clarification as we are learning
how to deal with these patches :-)

BR, Jarkko