From a1c950913f251bf1c8115a549ecb0b5174cd05de Mon Sep 17 00:00:00 2001
From: allencloud <allen.sun@daocloud.io>
Date: Tue, 3 May 2016 15:26:32 +0800
Subject: [PATCH] handle error when getting hostname in info api

Signed-off-by: allencloud <allen.sun@daocloud.io>
---
 daemon/info.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/daemon/info.go b/daemon/info.go
index 9ef74d2132..433f92421c 100644
--- a/daemon/info.go
+++ b/daemon/info.go
@@ -133,9 +133,13 @@ func (daemon *Daemon) SystemInfo() (*types.Info, error) {
 		v.CPUSet = sysInfo.Cpuset
 	}
 
-	if hostname, err := os.Hostname(); err == nil {
-		v.Name = hostname
+	hostname := ""
+	if hn, err := os.Hostname(); err != nil {
+		logrus.Warnf("Could not get hostname: %v", err)
+	} else {
+		hostname = hn
 	}
+	v.Name = hostname
 
 	return v, nil
 }