From: Dan Carpenter <error27@gmail.com>
Date: Tue, 8 Mar 2011 11:39:24 +0000 (+0300)
Subject: ASoC: sgtl5000: use after free in ldo_regulator_register()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=62f75aafdf180554b4fad29ff1f3827b151d39db;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

ASoC: sgtl5000: use after free in ldo_regulator_register()

The "ldo" variable was dereferenced after free on the error path.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index b7e97c026898..1f7217f703ee 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -875,11 +875,13 @@ static int ldo_regulator_register(struct snd_soc_codec *codec,
 	ldo->dev = regulator_register(&ldo->desc, codec->dev,
 					  init_data, ldo);
 	if (IS_ERR(ldo->dev)) {
+		int ret = PTR_ERR(ldo->dev);
+
 		dev_err(codec->dev, "failed to register regulator\n");
 		kfree(ldo->desc.name);
 		kfree(ldo);
 
-		return PTR_ERR(ldo->dev);
+		return ret;
 	}
 
 	return 0;