From: Miaoqian Lin linmq006@gmail.com
stable inclusion from stable-v5.10.121 commit fb66e0512e5ccc093070e21cf88cce8d98c181b5 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 4f4e0454e226de3bf4efd7e7924d1edc571c52d5 ]
Call of_node_put(platform_node) to avoid refcount leak in the error path.
Fixes: 94319ba10eca ("ASoC: mediatek: Use platform_of_node for machine drivers") Fixes: 493433785df0 ("ASoC: mediatek: mt8173: fix device_node leak") Signed-off-by: Miaoqian Lin linmq006@gmail.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Link: https://lore.kernel.org/r/20220404092903.26725-1-linmq006@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- sound/soc/mediatek/mt8173/mt8173-max98090.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c index 3bdd4931316c..5f39e810e27a 100644 --- a/sound/soc/mediatek/mt8173/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c @@ -167,7 +167,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) if (!codec_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); - return -EINVAL; + ret = -EINVAL; + goto put_platform_node; } for_each_card_prelinks(card, i, dai_link) { if (dai_link->codecs->name) @@ -182,6 +183,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) __func__, ret);
of_node_put(codec_node); + +put_platform_node: of_node_put(platform_node); return ret; }