From 25ee1a338628d68664a50a979d6bbb9f04479a2f Mon Sep 17 00:00:00 2001
From: Pasi Kallinen <paxed@alt.org>
Date: Mon, 21 May 2012 17:32:50 +0300
Subject: [PATCH] Fix virus crash

---
 virus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/virus.c b/virus.c
index 469173c..2742df9 100644
--- a/virus.c
+++ b/virus.c
@@ -1178,6 +1178,7 @@ do_cmd (Byte c)
       // user changed mind and erased the "/"-  do nothing
       break;
     case 'N':                  // N- backward search for last pattern
+      if (last_search_pattern == 0) break;
       if (cmdcnt-- > 1)
         {
           do_cmd (c);
-- 
2.47.3