Re: [RFC PATCH v5 05/11] fs: add security blob and hooks for block_device

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On Tue, Jul 28, 2020 at 03:22:59PM -0700, Casey Schaufler wrote:

> > +	hlist_for_each_entry(p, &security_hook_heads.bdev_setsecurity, list) {
> > +		rc = p->hook.bdev_setsecurity(bdev, name, value, size);
> > +
> > +		if (rc == -ENOSYS)
> > +			rc = 0;
> > +
> > +		if (rc != 0)
> 
> Perhaps:
> 		else if (rc != 0)
> 
> > +			break;
> > +	}
> > +
> > +	return rc;

	hlist_for_each_entry(p, &security_hook_heads.bdev_setsecurity, list) {
		rc = p->hook.bdev_setsecurity(bdev, name, value, size);
		if (rc && rc != -ENOSYS)
			return rc;
	}
	return 0;

Easier to reason about that way...

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