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Date: Tue, 7 Jun 2022 18:59:14 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Mark Brown <broonie@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.17 362/772] ASoC: samsung: Fix refcount leak in aries_audio_probe From: Miaoqian Lin <linmq006@...il.com> [ Upstream commit bf4a9b2467b775717d0e9034ad916888e19713a3 ] of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. If extcon_find_edev_by_node() fails, it doesn't call of_node_put() Calling of_node_put() after extcon_find_edev_by_node() to fix this. Fixes: 7a3a7671fa6c ("ASoC: samsung: Add driver for Aries boards") Signed-off-by: Miaoqian Lin <linmq006@...il.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Link: https://lore.kernel.org/r/20220512043828.496-1-linmq006@gmail.com Signed-off-by: Mark Brown <broonie@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- sound/soc/samsung/aries_wm8994.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/aries_wm8994.c b/sound/soc/samsung/aries_wm8994.c index 5265e546b124..83acbe57b248 100644 --- a/sound/soc/samsung/aries_wm8994.c +++ b/sound/soc/samsung/aries_wm8994.c @@ -585,10 +585,10 @@ static int aries_audio_probe(struct platform_device *pdev) extcon_np = of_parse_phandle(np, "extcon", 0); priv->usb_extcon = extcon_find_edev_by_node(extcon_np); + of_node_put(extcon_np); if (IS_ERR(priv->usb_extcon)) return dev_err_probe(dev, PTR_ERR(priv->usb_extcon), "Failed to get extcon device"); - of_node_put(extcon_np); priv->adc = devm_iio_channel_get(dev, "headset-detect"); if (IS_ERR(priv->adc)) -- 2.35.1
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