Re: [PATCH 1/1] security: introduce fs caps

From: Serge E. Hallyn
Date: Wed Nov 08 2006 - 18:52:27 EST


Quoting Alexey Dobriyan (adobriyan@xxxxxxxxx):
> On Wed, Nov 08, 2006 at 04:24:53PM -0600, Serge E. Hallyn wrote:
> > +struct vfs_cap_data_struct {
>
> "_struct" suffix is useless here: "struct" is already typed.

Good point.

> > + __u32 version;
> > + __u32 effective;
> > + __u32 permitted;
> > + __u32 inheritable;
> > +};
> > +
> > +static inline void convert_to_le(struct vfs_cap_data_struct *cap)
> > +{
> > + cap->version = le32_to_cpu(cap->version);
> > + cap->effective = le32_to_cpu(cap->effective);
> > + cap->permitted = le32_to_cpu(cap->permitted);
> > + cap->inheritable = le32_to_cpu(cap->inheritable);
> > +}
>
> This pretty much defeats sparse endian checking. You will get warnings
> regardless of whether u32 or le32 are used.

But I don't get any sparse warnings with make C=1. Am I doing something
wrong? Will it give warnings only on some architectures?

thanks,
-serge
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