Re: [PATCH master 1/3] common: machine_id: simplify early exit

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On Mon, Aug 08, 2022 at 08:20:08AM +0200, Ahmad Fatoum wrote:
> We don't need the goto if we haven't done anything to clean up anyway.
> also globalvar_add_simple("machine_id", NULL) is a no-op when we have
> just called globalvar_add_simple above with an actual argument.
> It doesn't clean the parameter, nor should it, because the code is
> executed for the successful code as well and there is nothing that can
> fail that late.
> 
> No functional change.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
>  common/machine_id.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/common/machine_id.c b/common/machine_id.c
> index 6480806cd287..a530fdeb1da8 100644
> --- a/common/machine_id.c
> +++ b/common/machine_id.c
> @@ -30,11 +30,11 @@ static int machine_id_set_globalvar(void)
>  	unsigned char machine_id[SHA1_DIGEST_SIZE];
>  	char hex_machine_id[MACHINE_ID_LENGTH];
>  	char *env_machine_id;
> -	int ret = 0;
> +	int ret;
>  
>  	/* nothing to do if no hashable information provided */
>  	if (!__machine_id_hashable)
> -		goto out;
> +		return 0;
>  
>  	digest = digest_alloc_by_algo(HASH_ALGO_SHA1);
>  	ret = digest_init(digest);
> @@ -58,8 +58,6 @@ static int machine_id_set_globalvar(void)
>  	free(env_machine_id);
>  
>  out:
> -	globalvar_add_simple("machine_id", NULL);
> -
>  	digest_free(digest);
>  	return ret;
>  
> -- 
> 2.30.2
> 
> 
> 

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