From ab1723f3066efbe0216709c67587e8a2ff05ec81 Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <schoebel@bell.site>
Date: Wed, 22 Jan 2014 08:45:02 +0100
Subject: [PATCH] marsadm: fix lamport warning when mars.ko is not loaded

---
 userspace/marsadm | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/userspace/marsadm b/userspace/marsadm
index 21344487..eadc8a2f 100755
--- a/userspace/marsadm
+++ b/userspace/marsadm
@@ -179,12 +179,13 @@ sub get_alive_links {
 # fallback to system time()
 #
 sub mars_time {
-  open(my $lamport_clock, "<", "/proc/sys/mars/lamport_clock");
   my $lamport_time;
-  while (<$lamport_clock>) {
-    $lamport_time = $1 if /^lamport_now=(.*)/;
+  if (open(my $lamport_clock, "<", "/proc/sys/mars/lamport_clock")) {
+    while (<$lamport_clock>) {
+      $lamport_time = $1 if /^lamport_now=(.*)/;
+    }
+    close($lamport_clock);
   }
-  close($lamport_clock);
   return $lamport_time || time() . "." . '0' x 9;
 }