From 3b2743fc89bb9ea74f33752e33357a0b919ad06c Mon Sep 17 00:00:00 2001
From: yunfeiyangbuaa <yunfeiyang@buaa.edu.cn>
Date: Sat, 14 Sep 2019 13:47:17 +0800
Subject: [PATCH] fix dfget panic

Signed-off-by: yunfeiyangbuaa <yunfeiyang@buaa.edu.cn>
---
 dfget/core/core.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dfget/core/core.go b/dfget/core/core.go
index a8d82ba03..b13742372 100644
--- a/dfget/core/core.go
+++ b/dfget/core/core.go
@@ -299,7 +299,7 @@ func reportMetrics(cfg *config.Config, supernodeAPI api.SupernodeAPI, downloadTi
 		if err != nil {
 			logrus.Errorf("failed to report metrics to supernode %s: %v", node, err)
 		}
-		if resp.IsSuccess() {
+		if resp != nil && resp.IsSuccess() {
 			return
 		}
 	}