linux-kernel - Re: [PATCH] kernel: events: Use scnprintf() in show_pmu

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Date:   Wed, 09 Sep 2020 09:45:15 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Shuah Khan <skhan@...uxfoundation.org>, peterz@...radead.org,
        mingo@...hat.com, acme@...nel.org, mark.rutland@....com,
        jolsa@...hat.com, namhyung@...nel.org
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH] kernel: events: Use scnprintf() in show_pmu_*() instead of snprintf()

Shuah Khan <skhan@...uxfoundation.org> writes:

> Since snprintf() returns would-be-output size instead of the actual
> output size, replace it with scnprintf(), so the nr_addr_filters_show(),
> type_show(), and perf_event_mux_interval_ms_show() routines return the
> actual size.

Well, firstly they should just be sprintf()s, and secondly, I wouldn't
worry about it, because [0].

[0] https://marc.info/?l=linux-kernel&m=159874491103969&w=2

Regards,
--
Alex