ALSA: ASoC: Fix double free and memory leak in many codec drivers

[linux-2.6-omap-h63xx.git] / sound / soc / codecs / wm8753.c

diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index 8604809f0c362b75ee150ae0292663683baebf6f..35bf1c369870ccc79f1d43636b35a740434db5a8 100644 (file)
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -1661,10 +1661,9 @@ static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind)
        client_template.addr = addr;
 
        i2c =  kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
-       if (!i2c) {
-               kfree(codec);
+       if (!i2c)
                return -ENOMEM;
-       }
+
        i2c_set_clientdata(i2c, codec);
        codec->control_data = i2c;
 
@@ -1683,7 +1682,6 @@ static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind)
        return ret;
 
 err:
-       kfree(codec);
        kfree(i2c);
        return ret;
 }
@@ -1760,6 +1758,11 @@ static int wm8753_probe(struct platform_device *pdev)
 #else
                /* Add other interfaces here */
 #endif
+
+       if (ret != 0) {
+               kfree(codec->private_data);
+               kfree(codec);
+       }
        return ret;
 }