linux-kernel - Re: [PATCH 4/5] net: sfc: fix return value check in efx_ptp_probe

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Message-ID: <1356059385.7055.11.camel@deadeye.wl.decadent.org.uk>
Date:	Fri, 21 Dec 2012 03:09:45 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	David Miller <davem@...emloft.net>, <tipecaml@...il.com>
CC:	<linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
	<linux-net-drivers@...arflare.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH 4/5] net: sfc: fix return value check in
 efx_ptp_probe_channel().

On Wed, 2012-12-12 at 00:15 -0500, David Miller wrote:
> From: Cyril Roelandt <tipecaml@...il.com>
> Date: Wed, 12 Dec 2012 01:24:53 +0100
> 
> > The ptp_clock_register() returns ERR_PTR() and never returns NULL. Replace the
> > NULL check by a call to IS_ERR().
> > 
> > Signed-off-by: Cyril Roelandt <tipecaml@...il.com>
> 
> I'll let Ben queue this up.
> 
> Probably he'll want to avoid potentially leaving an ERR_PTR
> in ptp->phc_clock even if, with this fix, that would be
> harmless.

Sorry for the delay in looking at this.  This change is fine, as the
entire structure *ptp will be freed on the failure path.

I'm now on vacation until the new year.  Cyril, please re-send your
patch with the addition of:

Acked-by: Ben Hutchings <bhutchings@...arflare.com>

so it will show up on 'patchwork' again and David can apply it from
there.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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