ASoC: audio-graph-card: fix an use-after-free in graph_get_dai_id()

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After calling of_node_put() on the node variable, it is still being
used, which may result in use-after-free.
Fix this issue by calling of_node_put() after the last usage.

Fixes: a0c426fe14 ("ASoC: simple-card-utils: check "reg" property on asoc_simple_card_get_dai_id()")
Link: https://lore.kernel.org/r/1562743509-30496-5-git-send-email-wen.yang99@zte.com.cn
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Wen Yang 2019-07-10 15:25:09 +08:00 • committed by Mark Brown

parent aa2e362cb6

commit c152f8491a

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sound/soc/generic/audio-graph-card.c

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