ASoC: simple-card: fix an use-after-free in simple_for_each_link()
authorWen Yang <wen.yang99@zte.com.cn>
Wed, 10 Jul 2019 07:25:07 +0000 (15:25 +0800)
committerMark Brown <broonie@kernel.org>
Wed, 10 Jul 2019 15:33:55 +0000 (16:33 +0100)
commit27862d5a3325bc531ec15e3c607e44aa0fd57f6f
tree2d50bdb26c3429189e5eb9522c5be5d6171c1384
parent724808ad556c15e9473418d082f8aae81dd267f6
ASoC: simple-card: fix an use-after-free in simple_for_each_link()

The codec variable is still being used after the of_node_put() call,
which may result in use-after-free.

Fixes: d947cdfd4be2 ("ASoC: simple-card: cleanup DAI link loop method - step1")
Link: https://lore.kernel.org/r/1562743509-30496-3-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>
sound/soc/generic/simple-card.c