[PATCH 2/8] regmap: zero out the regmap on allocation

[Pratyush Yadav]

Some fields will be introduced in the regmap structure that should be
set to 0 by default. So, once we allocate a regmap, make sure it is
zeroed out to avoid unexpected defaults for those values.

Signed-off-by: Pratyush Yadav <p.yadav at ti.com>
---
 drivers/core/regmap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index 74225361fd..24651fb3ec 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -30,10 +30,12 @@ DECLARE_GLOBAL_DATA_PTR;
 static struct regmap *regmap_alloc(int count)
 {
 	struct regmap *map;
+	size_t size = sizeof(*map) + sizeof(map->ranges[0]) * count;
 
-	map = malloc(sizeof(*map) + sizeof(map->ranges[0]) * count);
+	map = malloc(size);
 	if (!map)
 		return NULL;
+	memset(map, 0, size);
 	map->range_count = count;
 
 	return map;
-- 
2.26.2