platform/chrome: chromeos_laptop: Use kmemdup_array

Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com>
Link: https://lore.kernel.org/r/20240823024056.3031644-1-yujiaoliang@vivo.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

Author: Yu Jiaoliang

drivers/platform/chrome/chromeos_laptop.c

@@ -749,10 +749,9 @@ chromeos_laptop_prepare_i2c_peripherals(struct chromeos_laptop *cros_laptop,
 	if (!src->num_i2c_peripherals)
 		return 0;
 
-	i2c_peripherals = kmemdup(src->i2c_peripherals,
-					      src->num_i2c_peripherals *
-					  sizeof(*src->i2c_peripherals),
-					  GFP_KERNEL);
+	i2c_peripherals = kmemdup_array(src->i2c_peripherals,
+					src->num_i2c_peripherals,
+					sizeof(*i2c_peripherals), GFP_KERNEL);
 	if (!i2c_peripherals)
 		return -ENOMEM;