From 066c9f368eca576aca068d2163fb0fcd7444b503 Mon Sep 17 00:00:00 2001
From: Domino Valdano <dominoplural@gmail.com>
Date: Sat, 14 Apr 2018 13:01:14 -0700
Subject: [PATCH] eth/filters: fix missing if check from code review

---
 eth/filters/api.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/eth/filters/api.go b/eth/filters/api.go
index 950d1bdcd7..742b649ef1 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -530,7 +530,9 @@ func returnRetData(rdata []types.ReturnData) []types.ReturnData {
 		return []types.ReturnData{}
 	} else {
 		for _, r := range rdata {
-			r.Data = []byte{}
+			if r.Data == nil {
+				r.Data = []byte{}
+			}
 		}
 	}
 	return rdata