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regmap: Fix memory leak in regcache_hw_init error path 

Make sure reg_defaults_raw gets freed in case of an error.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen 2011-11-14 10:40:16 +01:00 committed by Mark Brown
parent abbb18fb4a
commit 021cd616de
1 changed files with 10 additions and 2 deletions
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12
drivers/base/regmap/regcache.c
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@ -61,8 +61,10 @@ static int regcache_hw_init(struct regmap *map)
map->reg_defaults = kmalloc(count * sizeof(struct reg_default),
GFP_KERNEL);
if (!map->reg_defaults)
return -ENOMEM;
if (!map->reg_defaults) {
ret = -ENOMEM;
goto err_free;
}
/* fill the reg_defaults */
map->num_reg_defaults = count;
@ -77,6 +79,12 @@ static int regcache_hw_init(struct regmap *map)
}
return 0;
err_free:
if (map->cache_free)
kfree(map->reg_defaults_raw);
return ret;
}
int regcache_init(struct regmap *map)