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Re: [PATCH 1/4] CAPABILITIES: add cpu endian vfs caps structure



On Mon, 2008-10-20 at 22:50 -0700, Andrew G. Morgan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Eric Paris wrote:
> > This patch add a generic cpu endian caps structure and enternally available
> > functions which retrieve fcaps information from disk.  This information is
> > necessary so fcaps information can be collected and recorded by the audit
> > system.
> > 
> [...]
> >  	CAP_FOR_EACH_U32(i) {
> > -		__u32 value_cpu;
> > -
> > -		if (i >= tocopy) {
> > -			/*
> > -			 * Legacy capability sets have no upper bits
> > -			 */
> > -			bprm->cap_post_exec_permitted.cap[i] = 0;
> > +		if (i > tocopy) {
> 
> Shouldn't the above still be (i >= tocopy) ?

just replaced this with

if (i >= tocopy)
        break;

I'm already zero'ing out the cap data at the beginning so there isn't
really a need for me to zero the upper bits if they aren't set.

-Eric


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