error out if accept() fails

1 files changed, 3 insertions, 1 deletions

diff --git a/src/usr.bin/nc/netcat.c b/src/usr.bin/nc/netcat.c
index c0a0e474a5..6b372033e7 100644
--- a/src/usr.bin/nc/netcat.c
+++ b/src/usr.bin/nc/netcat.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.106 2012/03/17 10:16:41 dlg Exp $ */
+/* $OpenBSD: netcat.c,v 1.107 2012/04/01 02:58:57 deraadt Exp $ */
 /*
  * Copyright (c) 2001 Eric Jackson <ericj@monkey.org>
  *
@@ -369,6 +369,8 @@ main(int argc, char *argv[])
                                 len = sizeof(cliaddr);
                                 connfd = accept(s, (struct sockaddr *)&cliaddr,
                                     &len);
+                                if (connfd == -1)
+                                        err(1, "accept");
                                 readwrite(connfd);
                                 close(connfd);
                         }