[PATCH v2 2/3] landlock: access_mask_subset() helper

Günther Noack gnoack3000 at gmail.com
Wed Jan 28 21:38:03 UTC 2026


On Wed, Jan 28, 2026 at 10:31:52PM +0100, Mickaël Salaün wrote:
> On Sun, Jan 25, 2026 at 08:58:52PM +0100, Günther Noack wrote:
> > --- a/security/landlock/access.h
> > +++ b/security/landlock/access.h
> > @@ -97,4 +97,10 @@ landlock_upgrade_handled_access_masks(struct access_masks access_masks)
> >  	return access_masks;
> >  }
> >  
> > +/** access_mask_subset - true iff a has a subset of the bits of b. */
> > +static inline bool access_mask_subset(access_mask_t a, access_mask_t b)
> 
> What about renaming "a" to "subset" and "b" to "superset"?

Sure, sounds reasonable. Will be done in V3.

> > +{
> > +	return (a | b) == b;
> > +}

–Günther



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