netdev - Re: [PATCH] selftests/ptp: Fix timestamp printf format for PTP_SYS

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Message-ID: <ZItm4OCrMjm56RH0@hoboy.vegasvil.org>
Date: Thu, 15 Jun 2023 12:30:40 -0700
From: Richard Cochran <richardcochran@...il.com>
To: Alex Maftei <alex.maftei@....com>
Cc: shuah@...nel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] selftests/ptp: Fix timestamp printf format for
 PTP_SYS_OFFSET

On Thu, Jun 15, 2023 at 09:34:04AM +0100, Alex Maftei wrote:
> Previously, timestamps were printed using "%lld.%u" which is incorrect
> for nanosecond values lower than 100,000,000 as they're fractional
> digits, therefore leading zeros are meaningful.
> 
> This patch changes the format strings to "%lld.%09u" in order to add
> leading zeros to the nanosecond value.
> 
> Fixes: 568ebc5985f5 ("ptp: add the PTP_SYS_OFFSET ioctl to the testptp program")
> Fixes: 4ec54f95736f ("ptp: Fix compiler warnings in the testptp utility")
> Fixes: 6ab0e475f1f3 ("Documentation: fix misc. warnings")
> Signed-off-by: Alex Maftei <alex.maftei@....com>

Acked-by: Richard Cochran <richardcochran@...il.com>