Fix #838 #839

2016-08-27 23:23:08 +08:00
parent 264b177b38
commit 32f4d6af47
1 changed files with 5 additions and 3 deletions
@@ -28,8 +28,8 @@ object TcpFastOpen {
    file.canRead && (Utils.readAllLines(file).toInt & 1) > 0
  }

-  def enabled(value: Boolean) =
-    Shell.run("su", Array(
+  def enabled(value: Boolean) = {
+    val result = Shell.run("su", Array(
      "if echo " + (if (value) 3 else 0) + " > /proc/sys/net/ipv4/tcp_fastopen; then",
      "  success=-1",
      "  if mount -o rw,remount /dev/block/platform/msm_sdcc.1/by-name/system /system; then",
@@ -46,5 +46,7 @@ object TcpFastOpen {
      "  fi",
      "else",
      "  echo Failed.",
-      "fi"), null, true).asScala.mkString("\n")
+      "fi"), null, true)
+    if (result == null) "Root access failed." else result.asScala.mkString("\n")
+  }
 }