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 3e30d168eb1d1eca9f9f56cc1cbd5ff6465ec529..b08df85cedff25e1f2b1b3130da11053211d134c 100644 (file)
--- 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: