From 73273e0caab896232b4b8a75641d64f3ac06c04a Mon Sep 17 00:00:00 2001
From: Seongho Kim <sh_tiger.kim@samsung.com>
Date: Fri, 16 Nov 2018 13:44:48 +0900
Subject: [PATCH] Return "" not "null"

Some models such as LDU, WIFI do not have "gsm.version.baseband",
which should return "null" when it is called.
However it returns "" not "null"

Bug: 120685535
Test: Self-Test
Change-Id: Idc1363d45a0ece3a35f46da287e21015ac1387af
---
 core/java/android/os/Build.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 core/java/android/os/Build.java

diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
old mode 100644
new mode 100755
index 91888949829f8..6932aa70267e8
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -1113,7 +1113,8 @@ public class Build {
      * null (if, for instance, the radio is not currently on).
      */
     public static String getRadioVersion() {
-        return SystemProperties.get(TelephonyProperties.PROPERTY_BASEBAND_VERSION, null);
+        String propVal = SystemProperties.get(TelephonyProperties.PROPERTY_BASEBAND_VERSION);
+        return TextUtils.isEmpty(propVal) ? null : propVal;
     }
 
     private static String getString(String property) {