diff mbox series

ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe

Message ID 20220511052740.46903-1-linmq006@gmail.com (mailing list archive)
State Accepted
Commit ed46731d8e86c8d65f5fc717671e1f1f6c3146d2
Headers show
Series ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe | expand

Commit Message

Miaoqian Lin May 11, 2022, 5:27 a.m. UTC
of_find_device_by_node() takes reference, we should use put_device()
to release it. when devm_kzalloc() fails, it doesn't have a
put_device(), it will cause refcount leak.
Add missing put_device() to fix this.

Fixes: 6a5f850aa83a ("ASoC: fsl: Add imx-hdmi machine driver")
Fixes: f670b274f7f6 ("ASoC: imx-hdmi: add put_device() after of_find_device_by_node()")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 sound/soc/fsl/imx-hdmi.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Mark Brown May 12, 2022, 2:12 p.m. UTC | #1
On Wed, 11 May 2022 09:27:40 +0400, Miaoqian Lin wrote:
> of_find_device_by_node() takes reference, we should use put_device()
> to release it. when devm_kzalloc() fails, it doesn't have a
> put_device(), it will cause refcount leak.
> Add missing put_device() to fix this.
> 
> 

Applied to

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

Thanks!

[1/1] ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe
      commit: ed46731d8e86c8d65f5fc717671e1f1f6c3146d2

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.

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Thanks,
Mark
diff mbox series

Patch

diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index 929f69b758af..ec149dc73938 100644
--- a/sound/soc/fsl/imx-hdmi.c
+++ b/sound/soc/fsl/imx-hdmi.c
@@ -126,6 +126,7 @@  static int imx_hdmi_probe(struct platform_device *pdev)
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		ret = -ENOMEM;
+		put_device(&cpu_pdev->dev);
 		goto fail;
 	}