linux-kernel - Re: [PATCH v2 5/5] firmware: add an extensible system data helpers

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Message-ID: <20151008230353.GM14464@wotan.suse.de>
Date:	Fri, 9 Oct 2015 01:03:53 +0200
From:	"Luis R. Rodriguez" <mcgrof@...e.com>
To:	Josh Boyer <jwboyer@...oraproject.org>
Cc:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Ming Lei <ming.lei@...onical.com>,
	Jonathan Corbet <corbet@....net>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	linux-doc@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>,
	David Howells <dhowells@...hat.com>,
	Seth Forshee <seth.forshee@...onical.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Michal Marek <mmarek@...e.cz>,
	Matthew Garrett <mjg59@...f.ucam.org>, kyle@...nel.org,
	linux-security-module <linux-security-module@...r.kernel.org>,
	keyrings@...ux-nfs.org, Tom Gundersen <teg@...m.no>
Subject: Re: [PATCH v2 5/5] firmware: add an extensible system data helpers

On Thu, Oct 08, 2015 at 01:59:11PM -0400, Josh Boyer wrote:
> On Thu, Oct 1, 2015 at 1:44 PM, Luis R. Rodriguez
> > +static inline int desc_sync_found_call_cb(const struct sysdata_file_desc *desc,
> > +                                         const struct sysdata_file *sysdata)
> > +{
> > +       BUG_ON(desc->sync_reqs.mode != SYNCDATA_SYNC);
> 
> ngh...  Why do these inline functions all have BUG_ONs in them?  If it
> is to catch a programming error, why can't you just return EINVAL like
> you do in the async function case?  (Even that WARN_ON seems
> excessive).

Sure, I've replaced the pesky BUG_ON() with returning -EINVAL's.
Let me know if there is anything else.

  Luis
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