linux-kernel - Re: [PATCH] input/misc: hp_sdc_rtc: mark an unused function as __maybe

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Date:   Thu, 9 Feb 2023 14:56:46 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, David Howells <dhowells@...hat.com>,
        Helge Deller <deller@....de>, linux-m68k@...ts.linux-m68k.org,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        linux-parisc@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org
Subject: Re: [PATCH] input/misc: hp_sdc_rtc: mark an unused function as __maybe_unused

On Thu, Feb 9, 2023 at 2:04 AM Randy Dunlap <rdunlap@...radead.org> 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@...radead.org>

Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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