[PATCH] ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe
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(+)
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; }
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
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Thanks, Mark
participants (2)
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Mark Brown -
Miaoqian Lin