linux-kernel - Re: [PATCH V4 (was V6)] audit: use macros for unset inode and device values

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Date:	Wed, 5 Aug 2015 16:23:10 -0400
From:	Paul Moore <paul@...l-moore.com>
To:	Richard Guy Briggs <rgb@...hat.com>
Cc:	William Roberts <bill.c.roberts@...il.com>, linux-audit@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 (was V6)] audit: use macros for unset inode and device values

On Wed, Aug 5, 2015 at 3:38 PM, Richard Guy Briggs <rgb@...hat.com> wrote:
> On 15/08/05, William Roberts wrote:
>> On Aug 1, 2015 12:44 PM, "Richard Guy Briggs" <rgb@...hat.com> wrote:
>> >
>> > Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
>> > ---
>> >  include/uapi/linux/audit.h |    2 ++
>> >  kernel/audit.c             |    2 +-
>> >  kernel/audit_watch.c       |    8 ++++----
>> >  kernel/auditsc.c           |    6 +++---
>> >  4 files changed, 10 insertions(+), 8 deletions(-)
>> >
>> > diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
>> > index d3475e1..971df22 100644
>> > --- a/include/uapi/linux/audit.h
>> > +++ b/include/uapi/linux/audit.h
>> > @@ -440,6 +440,8 @@ struct audit_tty_status {
>> >  };
>> >
>> >  #define AUDIT_UID_UNSET (unsigned int)-1
>> > +#define AUDIT_INO_UNSET (unsigned long)-1
>> > +#define AUDIT_DEV_UNSET (unsigned)-1
>>
>> Why unsigned int in one but unsigned in the other?
>
> It was based on one of the instances it was originally replacing (I
> can't find it now).  It could be dev_t if it was moved out of uapi as
> Paul preferred, but I prefer unsigned int now that you point it out.

Once we move it out of the uapi header it should probably be (dev_t)-1.


-- 
paul moore
www.paul-moore.com
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