netdev - Re: [PATCH net v2] ptp: ocp: have adjtime handle negative delta

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Message-ID: <aacc11bb-64db-9402-ccc4-889954b034d7@novek.ru>
Date:   Sun, 15 May 2022 03:16:08 +0100
From:   Vadim Fedorenko <vfedorenko@...ek.ru>
To:     Jonathan Lemon <jonathan.lemon@...il.com>, netdev@...r.kernel.org
Cc:     richardcochran@...il.com, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, kernel-team@...com
Subject: Re: [PATCH net v2] ptp: ocp: have adjtime handle negative delta_ns
 correctly

On 13.05.2022 23:52, Jonathan Lemon wrote:
> delta_ns is a s64, but it was being passed ptp_ocp_adjtime_coarse
> as an u64.  Also, it turns out that timespec64_add_ns() only handles
> positive values, so perform the math with set_normalized_timespec().
> 
> Fixes: 90f8f4c0e3ce ("ptp: ocp: Add ptp_ocp_adjtime_coarse for large adjustments")
> Suggested-by: Vadim Fedorenko <vfedorenko@...ek.ru>
> Signed-off-by: Jonathan Lemon <jonathan.lemon@...il.com>

Acked-by: Vadim Fedorenko <vfedorenko@...ek.ru>