diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 28e89fd7c28d02399f97b97ad5e42fcd6b95004f..46b2bd742ee6cc5313619f6f2f510e1fa077ef64 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -709,7 +709,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 		}
 	}
 
-	map->patch = kcalloc(sizeof(struct reg_default), num_regs, GFP_KERNEL);
+	map->patch = kcalloc(num_regs, sizeof(struct reg_default), GFP_KERNEL);
 	if (map->patch != NULL) {
 		memcpy(map->patch, regs,
 		       num_regs * sizeof(struct reg_default));