[PATCH] arc:kernel:perf_event.c : replaced sprintf with sysfs_emit()

Rujra Bhatt braker.noob.kernel at gmail.com
Fri Jul 18 03:27:20 PDT 2025


Hi,

On Sat, Jul 5, 2025 at 1:00 PM Rujra Bhatt <braker.noob.kernel at gmail.com> wrote:
>
> Replaced sprintf() with sysfs_emit() in sysfs*_show() function in
> perf_event.c file to follow the kernel's guidelines from
> documentation/filesystems/sysfs.rst
> This will improve consistency, safety, and makes it easier to maintain
> and update in future.
>
> Signed-off-by: Rujra Bhatt <braker.noob.kernel at gmail.com>
> ---
>  arch/arc/kernel/perf_event.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
> index ed6d4f0cd621..424ec072c441 100644
> --- a/arch/arc/kernel/perf_event.c
> +++ b/arch/arc/kernel/perf_event.c
> @@ -648,7 +648,7 @@ static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
>         struct perf_pmu_events_attr *pmu_attr;
>
>         pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
> -       return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
> +       return sysfs_emit(page, "event=0x%04llx\n", pmu_attr->id);
>  }
>
>  /*
> --
> 2.43.0
>

Gentle reminder for the replacement of sprintf() with the sysfs_emit(), kindly
review it.

Thanking you,
regards,
Rujra Bhatt



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