[PATCH v4 8/20] lsm: Refactor return value of LSM hook getprocattr

[Xu Kuohai]

On 7/19/2024 10:08 AM, Paul Moore wrote:
> On Jul 11, 2024 Xu Kuohai <xukuohai at huaweicloud.com> wrote:
>>
>> To be consistent with most LSM hooks, convert the return value of
>> hook getprocattr to 0 or a negative error code.
>>
>> Before:
>> - Hook getprocattr returns length of value on success or a negative
>>    error code on failure.
>>
>> After:
>> - Hook getprocattr returns 0 on success or a negative error code on
>>    failure. An output parameter @len is introduced to hold the
>>    length of value on success.
>>
>> Signed-off-by: Xu Kuohai <xukuohai at huawei.com>
>> ---
>>   fs/proc/base.c                |  5 ++++-
>>   include/linux/lsm_hook_defs.h |  2 +-
>>   include/linux/security.h      |  5 +++--
>>   security/apparmor/lsm.c       |  7 +++++--
>>   security/security.c           |  8 +++++---
>>   security/selinux/hooks.c      | 16 +++++++++-------
>>   security/smack/smack_lsm.c    | 11 ++++++-----
>>   7 files changed, 33 insertions(+), 21 deletions(-)
> 
> The patch 07/20 comments also apply here.
>

OK, will drop this patch.

> --
> paul-moore.com
> 
>