linux-kernel - Re: [PATCH] sh: boards: mach-se: use IS

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Date:	Mon, 29 Nov 2010 13:01:13 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Vasiliy Kulikov <segoon@...nwall.com>
Cc:	Guennadi Liakhovetski <g.liakhovetski@....de>,
	kernel-janitors@...r.kernel.org,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Magnus Damm <damm@...nsource.se>, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sh: boards: mach-se: use IS_ERR() instead of NULL check

On Sat, Nov 27, 2010 at 11:23:15AM +0900, Paul Mundt wrote:
> On Fri, Nov 26, 2010 at 08:45:33PM +0300, Vasiliy Kulikov wrote:
> > Hi Guennadi,
> > 
> > On Fri, Nov 26, 2010 at 18:38 +0100, Guennadi Liakhovetski wrote:
> > > On Fri, 26 Nov 2010, Vasiliy Kulikov wrote:
> > > > clk_get() returns ERR_PTR() on error, not NULL.
> > > > 
> > > > Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>
> > > 
> > > Yep, there are, probably, a couple more of these, similar to
> > 
> > I found a bit more, but I'd like to get feedback on these or just see it
> > applied first ;)
> > 
> It's a reasonable change, yes. The old clk_get() scanned multiple lists,
> and could return NULL or -ENOENT depending on which path failed. Now that
> everything is consolidated through the clk_get_sys() lookup, the NULL
> checks should probably all be replaced.

Anyways, I've applied this one now. Feel free to send updates for the
rest at your leisure.
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