linux-kernel - Re: [PATCH RFC] hv_utils: implement Hyper-V PTP source

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Message-ID: <20170113152126.GA31625@aepfle.de>
Date:   Fri, 13 Jan 2017 16:21:26 +0100
From:   Olaf Hering <olaf@...fle.de>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>, devel@...uxdriverproject.org,
        linux-kernel@...r.kernel.org,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        John Stultz <john.stultz@...aro.org>,
        Alex Ng <alexng@...rosoft.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: Re: [PATCH RFC] hv_utils: implement Hyper-V PTP source

On Fri, Jan 13, Vitaly Kuznetsov wrote:

> +	hv_ptp_clock = ptp_clock_register(&ptp_hyperv_info, NULL);
> +	if (IS_ERR(hv_ptp_clock)) {

Should that be IS_ERR_OR_NULL to catch "!IS_REACHABLE(CONFIG_PTP_1588_CLOCK)"?

Olaf

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