Re: [PATCH] ASoC: tlv320adc3xxx: Don't strip remove function when driver is builtin

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On Sun, Mar 10, 2024 at 3:39 PM Uwe Kleine-König
<u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
> Using __exit for the remove function results in the remove callback
> being discarded with SND_SOC_TLV320ADC3XXX=y. When such a device gets
> unbound (e.g. using sysfs or hotplug), the driver is just removed
> without the cleanup being performed. This results in resource leaks. Fix
> it by compiling in the remove callback unconditionally.
>
> This also fixes a W=1 modpost warning:
>
>         WARNING: modpost: sound/soc/codecs/snd-soc-tlv320adc3xxx: section mismatch in reference: adc3xxx_i2c_driver+0x10 (section: .data) -> adc3xxx_i2c_remove (section: .exit.text)
>
> (which only happens with SND_SOC_TLV320ADC3XXX=m).
>
> Fixes: e9a3b57efd28 ("ASoC: codec: tlv320adc3xxx: New codec driver")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
> Hello,
>
> note that this patch only applies as is after commit 4e8ff3587868 ("ASoC:
> codecs: tlv320adc3xxx: Wrap adc3xxx_i2c_remove() in __exit_p()") which was the
> wrong approach to fix the build error.

Sorry, my bad...
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





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