[PATCH] env: Fix warning when forcing environment without ENV_ACCESS_IGNORE_FORCE

[Marek Vasut]

On 1/28/21 8:37 PM, Fuzzey, Martin wrote:
> Hi Marek,

Hi,

> On Thu, 28 Jan 2021 at 20:07, Marek Vasut <marex at denx.de> wrote:
>>
>> Based on env/Kconfig  description of this option:
>>
>> config ENV_ACCESS_IGNORE_FORCE
>>           bool "Block forced environment operations"
>>           default n
>>           help
>>             If defined, don't allow the -f switch to env set override
>> variable
>>             access flags.
>>
>> I would think the code should look like this:
>>
>> #ifdef CONFIG_ENV_ACCESS_IGNORE_FORCE
>>           if (flag & H_FORCE) {
>>                   printf("## Error: Can't force access to \"%s\"\n", name);
>>                   return 1;
>>           }
>> #else
>>           if (flag & H_FORCE)
>>                  return 0;
>> #endif
> 
> I don't think that is right.
> 
> If you do that force update will be refused when
> CONFIG_ENV_ACCESS_IGNORE_FORCE, regardless if the access would be
> valid without the force

That's how I understand the option was intended to work, based on the 
Kconfig help text.

> The kconfig options says don't allow the -f switch to OVERRIDE
> variable access flags, not "don't allow the -f switch to be used"

I suspect the help text needs clarification then.