From 1fcadb6914bbb2f1f95e4f0be0178370fde93dc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E7=94=B0=E7=94=B0?= <titian.gtt@alibaba-inc.com>
Date: Tue, 10 Jul 2018 17:29:08 +0800
Subject: [PATCH] :bug: Fix panic when user not found

When invoke `fabric-cli query info --config network-config.yaml`
if default User1 doesn't existed, it will panic, this patch fix it.
---
 fabric-cli/cmd/fabric-cli/action/action.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fabric-cli/cmd/fabric-cli/action/action.go b/fabric-cli/cmd/fabric-cli/action/action.go
index f6df828..6f08ffe 100644
--- a/fabric-cli/cmd/fabric-cli/action/action.go
+++ b/fabric-cli/cmd/fabric-cli/action/action.go
@@ -227,6 +227,9 @@ func (action *Action) Printer() printer.Printer {
 func (action *Action) ChannelProvider() (context.ChannelProvider, error) {
 	channelID := cliconfig.Config().ChannelID()
 	user, err := action.User()
+	if err != nil {
+		return nil, err
+	}
 	cliconfig.Config().Logger().Debugf("creating channel provider for user [%s] in org [%s]...", user.Identifier().ID, user.Identifier().MSPID)
 	clientContext, err := action.context(user)
 	if err != nil {