From 6a1054a0f3b1b9803daa8e4103355fb2a1afa97a Mon Sep 17 00:00:00 2001
From: v2ray <admin@v2ray.com>
Date: Mon, 4 Jul 2016 13:31:21 +0200
Subject: [PATCH] allow capacity = 0

---
 transport/internet/kcp/config_json.go | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/transport/internet/kcp/config_json.go b/transport/internet/kcp/config_json.go
index b476112a..4e3f1425 100644
--- a/transport/internet/kcp/config_json.go
+++ b/transport/internet/kcp/config_json.go
@@ -38,20 +38,10 @@ func (this *Config) UnmarshalJSON(data []byte) error {
 		this.Tti = tti
 	}
 	if jsonConfig.UpCap != nil {
-		upCap := *jsonConfig.UpCap
-		if upCap == 0 {
-			log.Error("KCP|Config: Invalid uplink capacity: ", upCap)
-			return common.ErrBadConfiguration
-		}
-		this.UplinkCapacity = upCap
+		this.UplinkCapacity = *jsonConfig.UpCap
 	}
 	if jsonConfig.DownCap != nil {
-		downCap := *jsonConfig.DownCap
-		if downCap == 0 {
-			log.Error("KCP|Config: Invalid downlink capacity: ", downCap)
-			return common.ErrBadConfiguration
-		}
-		this.DownlinkCapacity = downCap
+		this.DownlinkCapacity = *jsonConfig.DownCap
 	}
 	if jsonConfig.Congestion != nil {
 		this.Congestion = *jsonConfig.Congestion