From: Lars-Peter Clausen <lars@metafoo.de>
Date: Thu, 10 Nov 2011 17:15:15 +0000 (+0100)
Subject: regmap: Fix memory leak in regmap_init error path
X-Git-Tag: firefly_0821_release~3680^2~3815^2~26
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=58072cbfc522c2520e34333a53c8f17bb1adb1a0;p=firefly-linux-kernel-4.4.55.git

regmap: Fix memory leak in regmap_init error path

If regcache initialization fails regmap_init will currently exit without
freeing work_buf.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 3e30d168eb1d..b08df85cedff 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -229,12 +229,14 @@ struct regmap *regmap_init(struct device *dev,
 
 	ret = regcache_init(map);
 	if (ret < 0)
-		goto err_map;
+		goto err_free_workbuf;
 
 	regmap_debugfs_init(map);
 
 	return map;
 
+err_free_workbuf:
+	kfree(map->work_buf);
 err_map:
 	kfree(map);
 err: