Re: [RFC v7 25/41] richacl: Isolate the owner and group classes

From: J. Bruce Fields
Date: Fri Sep 25 2015 - 16:17:27 EST


On Fri, Sep 25, 2015 at 01:25:41PM +0200, Andreas Gruenbacher wrote:
> Here is another minor improvement that produces deny aces with fewer
> permissions in them and avoids creating unnecessary deny aces in some
> cases.

Looks good.--b.

>
> Andreas
>
> ---
> fs/richacl_compat.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/fs/richacl_compat.c b/fs/richacl_compat.c
> index 2f53394..bc0bcfe 100644
> --- a/fs/richacl_compat.c
> +++ b/fs/richacl_compat.c
> @@ -605,14 +605,13 @@ __richacl_isolate_who(struct richacl_alloc *alloc, struct richace *who,
> int n;
>
> /*
> - * Compute the permissions already denied to @who. There are no
> + * Compute the permissions already defined for @who. There are no
> * everyone@ deny aces left in the acl at this stage.
> */
> richacl_for_each_entry(ace, acl) {
> if (richace_is_inherit_only(ace))
> continue;
> - if (richace_is_same_identifier(acl, ace, who) &&
> - richace_is_deny(ace))
> + if (richace_is_same_identifier(acl, ace, who))
> deny &= ~ace->e_mask;
> }
> if (!deny)
> --
> 2.4.3
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