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Subject[PATCH 5.10 365/545] ASoC: samsung: Fix error handling in aries_audio_probe
Date
From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit 3e2649c5e8643bea0867bb1dd970fedadb0eb7f3 ]

of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
This function is missing of_node_put(cpu) in the error path.
Fix this by goto out label. of_node_put() will check NULL pointer.

Fixes: 7a3a7671fa6c ("ASoC: samsung: Add driver for Aries boards")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220603130640.37624-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/samsung/aries_wm8994.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/samsung/aries_wm8994.c b/sound/soc/samsung/aries_wm8994.c
index 18458192aff1..d2908c1ea835 100644
--- a/sound/soc/samsung/aries_wm8994.c
+++ b/sound/soc/samsung/aries_wm8994.c
@@ -628,8 +628,10 @@ static int aries_audio_probe(struct platform_device *pdev)
return -EINVAL;

codec = of_get_child_by_name(dev->of_node, "codec");
- if (!codec)
- return -EINVAL;
+ if (!codec) {
+ ret = -EINVAL;
+ goto out;
+ }

for_each_card_prelinks(card, i, dai_link) {
dai_link->codecs->of_node = of_parse_phandle(codec,
--
2.35.1


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