[PATCH v3 2/9] regmap: zero out the regmap on allocation
Pratyush Yadav
p.yadav at ti.com
Thu Sep 24 06:34:11 CEST 2020
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>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
Notes:
No changes in v3.
drivers/core/regmap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index 74225361fd..809f58489f 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -30,8 +30,9 @@ 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 = calloc(1, size);
if (!map)
return NULL;
map->range_count = count;
--
2.28.0
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