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

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Message-ID: <20181130163252.e6z33t23j3qud57z@localhost>
Date:   Fri, 30 Nov 2018 08:32:52 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.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 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.

Thanks,
Richard