From 98078875c5a5a9b0cbfd939125e7227509d7bb4b Mon Sep 17 00:00:00 2001
From: ning <710leo@gmail.com>
Date: Thu, 20 Oct 2022 11:59:13 +0800
Subject: [PATCH] fix rpc client panic

---
 net/gobrpc/client.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/gobrpc/client.go b/net/gobrpc/client.go
index 240c8cc..bebc01c 100644
--- a/net/gobrpc/client.go
+++ b/net/gobrpc/client.go
@@ -44,6 +44,10 @@ func (c *RPCClient) Call(method string, args interface{}, reply interface{}, cal
 	done := make(chan error, 1)
 
 	go func() {
+		if c.rpcClient == nil {
+			done <- fmt.Errorf("rpc client is nil")
+			return
+		}
 		err := c.rpcClient.Call(method, args, reply)
 		done <- err
 	}()
@@ -59,6 +63,4 @@ func (c *RPCClient) Call(method string, args interface{}, reply interface{}, cal
 	case err := <-done:
 		return err
 	}
-
-	return nil
 }