[PATCH] iio: adc: meson_saradc: Fix memory allocation order

Kevin Hilman khilman at baylibre.com
Wed Sep 4 17:02:30 PDT 2019


Remi Pommarel <repk at triplefau.lt> writes:

> meson_saradc's irq handler uses priv->regmap so make sure that it is
> allocated before the irq get enabled.
>
> This also fixes crash when CONFIG_DEBUG_SHIRQ is enabled, as device
> managed resources are freed in the inverted order they had been
> allocated, priv->regmap was freed before the spurious fake irq that
> CONFIG_DEBUG_SHIRQ adds called the handler.
>
> Reported-by: Elie Roudninski <xademax at gmail.com>
> Signed-off-by: Remi Pommarel <repk at triplefau.lt>

Reviewed-by: Kevin Hilman <khilman at baylibre.com>



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