Re: [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec

[Krzysztof Kozlowski]

On Sat, 13 Jul 2019 at 05:48, Wen Yang <wen.yang99@xxxxxxxxxx> wrote:
>
> The codec variable is still being used after the of_node_put() call,
> which may result in use-after-free.
>
> Fixes: bc3cf17b575a ("ASoC: samsung: odroid: Add support for secondary CPU DAI")
> Signed-off-by: Wen Yang <wen.yang99@xxxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Cc: Sangbeom Kim <sbkim73@xxxxxxxxxxx>
> Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Jaroslav Kysela <perex@xxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxxx>
> Cc: alsa-devel@xxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  sound/soc/samsung/odroid.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof