Let the kememdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/base/regmap/regcache.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index bd7462c54271..7ec1ec605335 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -170,8 +170,8 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
* a copy of it.
*/
if (config->reg_defaults) {
- tmp_buf = kmemdup(config->reg_defaults, map->num_reg_defaults *
- sizeof(struct reg_default), GFP_KERNEL);
+ tmp_buf = kmemdup_array(config->reg_defaults, map->num_reg_defaults,
+ sizeof(*map->reg_defaults), GFP_KERNEL);
if (!tmp_buf)
return -ENOMEM;
map->reg_defaults = tmp_buf;
--
2.43.0.rc1.1336.g36b5255a03ac