From 6f4efa010b94984347112fa65e89469dd7bfc1bf Mon Sep 17 00:00:00 2001
From: Ari Johnson <ari@theari.com>
Date: Fri, 17 Dec 2010 19:43:34 +0000
Subject: [PATCH] Don't lookup_player() a NULL string

---
 src/extchat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/extchat.c b/src/extchat.c
index 368f0f4..5f43962 100644
--- a/src/extchat.c
+++ b/src/extchat.c
@@ -2584,7 +2584,7 @@ do_chan_chown(dbref player, const char *name, const char *newowner)
   /* Find the channel */
   test_channel(player, name, c);
   /* Find the victim */
-  if ((victim = lookup_player(newowner)) == NOTHING) {
+  if (!newowner || (victim = lookup_player(newowner)) == NOTHING) {
     notify(player, T("CHAT: Invalid owner."));
     return;
   }
-- 
2.30.2