ASoC: rt5645: Fix missing free_irq

The driver does not free irq when snd_soc_register_codec returns error.
It does not return error when request irq failed, either.

Add return when request irq failed, and free_irq if
snd_soc_register_codec failed.

Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index c16adf4bac0db4e5c73ffa47f0256bd0e2434ccf..827e3bf82d2927ef526dd927833daf6888922ffc 100644 (file)
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3397,12 +3397,23 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
                ret = request_threaded_irq(rt5645->i2c->irq, NULL, rt5645_irq,
                        IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
                        | IRQF_ONESHOT, "rt5645", rt5645);
-               if (ret)
+               if (ret) {
                        dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
+                       return ret;
+               }
        }
 
-       return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5645,
-                                     rt5645_dai, ARRAY_SIZE(rt5645_dai));
+       ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5645,
+                                    rt5645_dai, ARRAY_SIZE(rt5645_dai));
+       if (ret)
+               goto err_irq;
+
+       return 0;
+
+err_irq:
+       if (rt5645->i2c->irq)
+               free_irq(rt5645->i2c->irq, rt5645);
+       return ret;
 }
 
 static int rt5645_i2c_remove(struct i2c_client *i2c)