From 4b46531e484bf59b0c2607f5e7d73ec6e258027d Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Tue, 18 Mar 2008 19:57:40 +0000
Subject: [PATCH] Don't try to cleanup nsswitch if it has not been initialized.

---
 sudo.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sudo.c b/sudo.c
index 4040a13ae..5a90eb2ba 100644
--- a/sudo.c
+++ b/sudo.c
@@ -1386,8 +1386,10 @@ cleanup(gotsignal)
     struct sudo_nss *nss;
 
     if (!gotsignal) {
-	tq_foreach_fwd(snl, nss)
-	    nss->close(nss);
+	if (snl != NULL) {
+	    tq_foreach_fwd(snl, nss)
+		nss->close(nss);
+	}
 	sudo_endpwent();
 	sudo_endgrent();
     }
-- 
2.40.0