[PATCH v1 1/4] regmap: Switch to use kmemdup_array()

Andy Shevchenko posted 4 patches 1 year, 8 months ago
[PATCH v1 1/4] regmap: Switch to use kmemdup_array()
Posted by Andy Shevchenko 1 year, 8 months ago
Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/base/regmap/regmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0a34dd3c4f38..88c02b71b2ee 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2347,7 +2347,7 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 	} else {
 		void *wval;
 
-		wval = kmemdup(val, val_count * val_bytes, map->alloc_flags);
+		wval = kmemdup_array(val, val_count, val_bytes, map->alloc_flags);
 		if (!wval)
 			return -ENOMEM;
 
-- 
2.43.0.rc1.1336.g36b5255a03ac