[Midnightbsd-cvs] src [8414] trunk/usr.bin/chpass/chpass.c: avoid null deref

[laffer1 at midnightbsd.org]

Revision: 8414
          http://svnweb.midnightbsd.org/src/?rev=8414
Author:   laffer1
Date:     2016-09-18 17:04:01 -0400 (Sun, 18 Sep 2016)
Log Message:
-----------
avoid null deref

Modified Paths:
--------------
    trunk/usr.bin/chpass/chpass.c

Modified: trunk/usr.bin/chpass/chpass.c
===================================================================
--- trunk/usr.bin/chpass/chpass.c	2016-09-18 20:59:21 UTC (rev 8413)
+++ trunk/usr.bin/chpass/chpass.c	2016-09-18 21:04:01 UTC (rev 8414)
@@ -241,8 +241,11 @@
 #ifdef YP
 	case _PWF_NIS:
 		ypclnt = ypclnt_new(yp_domain, "passwd.byname", yp_host);
-		if (ypclnt == NULL ||
-		    ypclnt_connect(ypclnt) == -1 ||
+		if (ypclnt == NULL) {
+			warnx("ypclnt_new failed");
+			exit(1);
+		}
+		if (ypclnt_connect(ypclnt) == -1 ||
 		    ypclnt_passwd(ypclnt, pw, password) == -1) {
 			warnx("%s", ypclnt->error);
 			ypclnt_free(ypclnt);