diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index f1025452bb394675ed5c86fdcbcf07285902068a..19f57ccfbe1d71478f769cf886b5efecd11b19da 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1637,6 +1637,8 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
 					     map->format.reg_bytes +
 					     map->format.pad_bytes,
 					     val, val_len);
+	else
+		ret = -ENOTSUPP;
 
 	/* If that didn't work fall back on linearising by hand. */
 	if (ret == -ENOTSUPP) {