This is a note to let you know that I've just added the patch titled
ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-imx-hdmi-fix-refcount-leak-in-imx_hdmi_probe.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 388df200fe65ccacd2752186b963e82c98b8db41
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Wed May 11 09:27:40 2022 +0400
ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe
[ Upstream commit ed46731d8e86c8d65f5fc717671e1f1f6c3146d2 ]
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@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220511052740.46903-1-linmq006@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index ef8d7a65ebc6..d61e3c841e26 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;
}
