From: Tzung-Bi Shih <tzungbi@google.com> stable inclusion from stable-v4.19.226 commit d5d4409e2d3a2a2bedab9d54839fbc0d128b4242 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBP6WS CVE: CVE-2022-49514 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ Upstream commit 493433785df0075afc0c106ab65f10a605d0b35d ] Fixes the device_node leak. Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Link: https://lore.kernel.org/r/20211224064719.2031210-2-tzungbi@google.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Liu Shixin <liushixin2@huawei.com> --- sound/soc/mediatek/mt8173/mt8173-max98090.c | 3 +++ sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c | 2 ++ sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c | 2 ++ sound/soc/mediatek/mt8173/mt8173-rt5650.c | 2 ++ 4 files changed, 9 insertions(+) diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c index 902d111016d6..431ba3db1759 100644 --- a/sound/soc/mediatek/mt8173/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c @@ -169,6 +169,9 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(codec_node); + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c index 582174d98c6c..cdb394071037 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c @@ -217,6 +217,8 @@ static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c index b3670c8a5b8d..242f99716c61 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c @@ -274,6 +274,8 @@ static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c index 7a89b4aad182..14011a70bcc4 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c @@ -301,6 +301,8 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } -- 2.34.1