linux-kernel - Re: [PATCH] ptp: fix an IS

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Date:   Mon, 3 Dec 2018 13:04:58 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ptp: fix an IS_ERR() vs NULL check

On Fri, Nov 30, 2018 at 08:32:52AM -0800, Richard Cochran wrote:
> On Fri, Nov 30, 2018 at 03:58:34PM +0300, Dan Carpenter wrote:
> > The pps_register_source() function doesn't return NULL, it returns
> > error pointers.
> 
> It keeps a local variable for errno, but then it returns NULL.
> But this is about to change with this recent patch:
> 
>    26.Nov'18 YueHaibing [PATCH -next] pps: using ERR_PTR instead of NULL while pps_register_source fails
> 
> It hasn't been merged yet AFAICT, but gregkh said he take it.

Oh, yeah.  That patch has actually been applied, but we didn't update
the caller.  I should have made the Fixes tag point to that YueHaibing's
patch.

regards,
dan carpenter