[PATCH] ASoC: fsl-asoc-card: drop the ASRC device reference on probe exit

of_find_device_by_node() takes a reference to the embedded struct device,
but fsl_asoc_card_probe() never drops it. The reference is leaked on the
successful path as well as on every error path taken after the lookup.

Release the reference at the asrc_fail label, which is reached on both
success and failure.

Fixes: 708b4351f08c ("ASoC: fsl: Add Freescale Generic ASoC Sound Card with ASRC support")
Cc: <redacted>
Assisted-by: DeepSeek-V4.1-Flash and OpenAI Codex
Signed-off-by: Wentao Liang <redacted>
---
 sound/soc/fsl/fsl-asoc-card.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 310ee4c282a1..d361bb58fdb1 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c

@@ -1378,6 +1378,8 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 	}
 
 asrc_fail:
+	if (asrc_pdev)
+		put_device(&asrc_pdev->dev);
 	of_node_put(asrc_np);
 	of_node_put(codec_np[0]);
 	of_node_put(codec_np[1]);

-- 
2.34.1