Re: [PATCH] kernel: events: Use scnprintf() in show_pmu_*() instead of snprintf()

[Shuah Khan]

On 9/9/20 12:45 AM, Alexander Shishkin wrote:
> Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> 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].

scnprintf() or sprinf() could be used.

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

Awesome. Thanks for the pointer. I wasn't aware of this work and
it takes care of the problem kernel wide. A better way to solve
the problem.

thanks,
-- Shuah