From a871aa3a804bec75f25e20ba7cde73952bc7e55c Mon Sep 17 00:00:00 2001
From: Jessica Jong <jjong@mozilla.com>
Date: Mon, 11 May 2015 17:09:40 +0800
Subject: [PATCH] Bug 1162865 - [DataCall] Do not reset data call's linkInfo if
 it's still needed. r=echen

---
 dom/system/gonk/RadioInterfaceLayer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dom/system/gonk/RadioInterfaceLayer.js b/dom/system/gonk/RadioInterfaceLayer.js
index ee3883c051fb..fe75de5b3ce3 100644
--- a/dom/system/gonk/RadioInterfaceLayer.js
+++ b/dom/system/gonk/RadioInterfaceLayer.js
@@ -2834,8 +2834,11 @@ DataCall.prototype = {
         // the state probably was notified already or need not to be notified.
         if (networkInterface.state == RIL.GECKO_NETWORK_STATE_DISCONNECTED) {
           networkInterface.notifyRILNetworkInterface();
+
           // Clear link info after notifying NetworkManager.
-          this.resetLinkInfo();
+          if (this.requestedNetworkIfaces.length === 0) {
+            this.resetLinkInfo();
+          }
         }
       }, Ci.nsIEventTarget.DISPATCH_NORMAL);
     }