[ Upstream commit 2abee12c0ab1924a69993d2c063a39a952e7d836 ]
The cpu_dai variable is still being used after the of_node_put() call,
which may result in double-free:
of_node_put(cpu_dai); ---> released here
ret = devm_snd_soc_register_card(dev, card);
if (ret < 0) {
...
goto err_put_clk_i2s; --> jump to err_put_clk_i2s
...
err_put_clk_i2s:
clk_put(priv->clk_i2s_bus);
err_put_sclk:
clk_put(priv->sclk_i2s);
err_put_cpu_dai:
of_node_put(cpu_dai); --> double-free here
Fixes: d832d2b246c5 ("ASoC: samsung: odroid: Fix of_node refcount unbalance")
Signed-off-by: Wen Yang <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Sangbeom Kim <[email protected]>
Cc: Sylwester Nawrocki <[email protected]>
Cc: Liam Girdwood <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Jaroslav Kysela <[email protected]>
Cc: Takashi Iwai <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link:
https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
sound/soc/samsung/odroid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c
index 95c35e3ff3303..d606e48fe551a 100644
--- a/sound/soc/samsung/odroid.c
+++ b/sound/soc/samsung/odroid.c
@@ -299,7 +299,6 @@ static int odroid_audio_probe(struct platform_device *pdev)
ret = PTR_ERR(priv->clk_i2s_bus);
goto err_put_sclk;
}
- of_node_put(cpu_dai);
ret = devm_snd_soc_register_card(dev, card);
if (ret < 0) {
@@ -307,6 +306,7 @@ static int odroid_audio_probe(struct platform_device *pdev)
goto err_put_clk_i2s;
}
+ of_node_put(cpu_dai);
of_node_put(codec);
return 0;
--
2.20.1
