diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index b903aff59af392b7bda6de21400db9fcacccf4b9..e677a1b79f95ad6ee2f562eb93dae0e3f02fa694 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1659,6 +1659,9 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 	} else {
 		void *wval;
 
+		if (!val_count)
+			return -EINVAL;
+
 		wval = kmemdup(val, val_count * val_bytes, GFP_KERNEL);
 		if (!wval) {
 			dev_err(map->dev, "Error in memory allocation\n");