diff mbox series

[v2] ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe

Message ID 20220603124243.31358-1-linmq006@gmail.com
State Superseded
Headers show
Series [v2] ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe | expand

Commit Message

Miaoqian Lin June 3, 2022, 12:42 p.m. UTC
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Fix refcount leak in some error paths.

Fixes: 0f83f9296d5c ("ASoC: mediatek: Add machine driver for ALC5650 codec")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
- update fixes tag.
v1 Link: https://lore.kernel.org/r/20220603081308.1332-1-linmq006@gmail.com
---
 sound/soc/mediatek/mt8173/mt8173-rt5650.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Comments

Mark Brown June 7, 2022, 2:11 p.m. UTC | #1
On Fri, 3 Jun 2022 16:42:41 +0400, Miaoqian Lin wrote:
> of_parse_phandle() returns a node pointer with refcount
> incremented, we should use of_node_put() on it when not need anymore.
> Fix refcount leak in some error paths.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe
      commit: efe2178d1a32492f99e7f1f2568eea5c88a85729

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark
diff mbox series

Patch

diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
index d1c94acb4516..e05f2b0231fe 100644
--- a/sound/soc/mediatek/mt8173/mt8173-rt5650.c
+++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
@@ -280,7 +280,8 @@  static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
 	if (!mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
 		dev_err(&pdev->dev,
 			"Property 'audio-codec' missing or invalid\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto put_platform_node;
 	}
 	mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
 		mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node;
@@ -293,7 +294,7 @@  static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev,
 				"%s codec_capture_dai name fail %d\n",
 				__func__, ret);
-			return ret;
+			goto put_platform_node;
 		}
 		mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].dai_name =
 			codec_capture_dai;
@@ -315,12 +316,14 @@  static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
 	if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
 		dev_err(&pdev->dev,
 			"Property 'audio-codec' missing or invalid\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto put_platform_node;
 	}
 	card->dev = &pdev->dev;
 
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 
+put_platform_node:
 	of_node_put(platform_node);
 	return ret;
 }