linux-kernel - Re: [PATCH 5/5] spi: fix return value check in hspi

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Message-ID: <20121219163914.GN5032@mwanda>
Date:	Wed, 19 Dec 2012 19:39:14 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Cyril Roelandt <tipecaml@...il.com>,
	spi-devel-general@...ts.sourceforge.net,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] spi: fix return value check in hspi_probe().

On Wed, Dec 19, 2012 at 03:11:54PM +0000, Grant Likely wrote:
> On Tue, 11 Dec 2012 16:36:27 -0800 (PST), Kuninori Morimoto <kuninori.morimoto.gx@...esas.com> wrote:
> > 
> > Hi
> > 
> > > According to its documentation, clk_get() returns a "valid IS_ERR() condition
> > > containing errno", so we should call IS_ERR() rather than a NULL check.
> > > 
> > > Signed-off-by: Cyril Roelandt <tipecaml@...il.com>
> > 
> > Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> 
> Applied, thanks.

In another thread, we were just talking about who clk_get() can
return a NULL if !CONFIG_HAVE_CLK.  That might change to match the
documentation later...  Not sure.

regards,
dan carpenter

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