Re: [PATCH] input/misc: hp_sdc_rtc: mark an unused function as __maybe_unused

From: Geert Uytterhoeven
Date: Thu Feb 09 2023 - 08:57:09 EST


On Thu, Feb 9, 2023 at 2:04 AM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> When CONFIG_PROC_FS is not set, one procfs-related function is not
> used, causing a build error or warning.
> Mark this function as __maybe_unused to quieten the build.
>
> ../drivers/input/misc/hp_sdc_rtc.c:268:12: warning: 'hp_sdc_rtc_proc_show' defined but not used [-Wunused-function]
> 268 | static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v)
> | ^~~~~~~~~~~~~~~~~~~~
>
> Fixes: c18bd9a1ff47 ("hp_sdc_rtc: Don't use create_proc_read_entry()")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds