[PATCH 6/8] cachefiles: Modify inappropriate error return value in cachefiles_daemon_secctx()

[Zizhi Wo]

在 2024/10/10 19:31, David Howells 写道:
> Zizhi Wo <wozizhi at huawei.com> wrote:
> 
>> In cachefiles_daemon_secctx(), if it is detected that secctx has been
>> written to the cache, the error code returned is -EINVAL, which is
>> inappropriate and does not distinguish the situation well.
> 
> I disagree: it is an invalid parameter, not an already extant file, and a
> message is logged for clarification.  I'd prefer to avoid filesystem errors as
> we are also doing filesystem operations.
> 
> David
> 
> 

Alright, what I originally intended was to differentiate the error codes
between cases where no arguments are specified and where cache->secctx
already exists.

Thanks,
Zizhi Wo