ASoC: stm32: sai: add missing put_device()

commit 1c3816a194870e7a6622345dab7fb56c7d708613 upstream.

The of_find_device_by_node() takes a reference to the underlying device
structure, we should release that reference.

Fixes: 7dd0d835582f ("ASoC: stm32: sai: simplify sync modes management")
Signed-off-by: Wen Yang <yellowriver2010@hotmail.com>
Acked-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/stm/stm32_sai.c b/sound/soc/stm/stm32_sai.c
index f22654253c43865116c8caff684f3b9013f20e01..540c4a00405c2a3cb62dc945baba8083023c2c0c 100644 (file)
--- a/sound/soc/stm/stm32_sai.c
+++ b/sound/soc/stm/stm32_sai.c
@@ -112,16 +112,21 @@ static int stm32_sai_set_sync(struct stm32_sai_data *sai_client,
        if (!sai_provider) {
                dev_err(&sai_client->pdev->dev,
                        "SAI sync provider data not found\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto out_put_dev;
        }
 
        /* Configure sync client */
        ret = stm32_sai_sync_conf_client(sai_client, synci);
        if (ret < 0)
-               return ret;
+               goto out_put_dev;
 
        /* Configure sync provider */
-       return stm32_sai_sync_conf_provider(sai_provider, synco);
+       ret = stm32_sai_sync_conf_provider(sai_provider, synco);
+
+out_put_dev:
+       put_device(&pdev->dev);
+       return ret;
 }
 
 static int stm32_sai_probe(struct platform_device *pdev)