From d1ec6909727698f94c3c0228797a1d070dc17fa1 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Tue, 10 Apr 2007 20:35:30 +0000
Subject: r22157: Fix bug #3634 - stop nmbd segfaulting with bad interface
 line. Jeremy. (This used to be commit
 c3e2207cb40386c565b23fcabc8c7384b10216de)

---
 source3/nmbd/nmbd_subnetdb.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source3')

diff --git a/source3/nmbd/nmbd_subnetdb.c b/source3/nmbd/nmbd_subnetdb.c
index 04df3e9a4f..4b04751235 100644
--- a/source3/nmbd/nmbd_subnetdb.c
+++ b/source3/nmbd/nmbd_subnetdb.c
@@ -223,6 +223,13 @@ BOOL create_subnets(void)
 			return False;
 	}
 
+        /* We must have at least one subnet. */
+	if (subnetlist == NULL) {
+		DEBUG(0,("create_subnets: unable to create any subnet from "
+				"given interfaces. nmbd is terminating\n"));
+		return False;
+	}
+
 	if (lp_we_are_a_wins_server()) {
 		/* Pick the first interface ip address as the WINS server ip. */
 		struct in_addr *nip = iface_n_ip(0);
-- 
cgit