regmap: cache: fix errno in regcache_hw_init()

When kmalloc() fails, we should return -ENOMEM.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index f1280dc..44e6a48 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -44,7 +44,7 @@ static int regcache_hw_init(struct regmap *map)
                map->cache_bypass = 1;
                tmp_buf = kmalloc(map->cache_size_raw, GFP_KERNEL);
                if (!tmp_buf)
-                       return -EINVAL;
+                       return -ENOMEM;
                ret = regmap_raw_read(map, 0, tmp_buf,
                                      map->num_reg_defaults_raw);
                map->cache_bypass = cache_bypass;