Author: eadler
Date: Thu Nov 15 15:06:18 2012
New Revision: 243081
URL: http://svnweb.freebsd.org/changeset/base/243081
Log:
Avoid possible null deref if ypclnt_new returns null
PR: bin/172979
Submitted by: Erik Cederstrand <e...@cederstrand.dk>
Approved by: cperciva
MFC after: 3 days
Modified:
head/usr.bin/chpass/chpass.c
Modified: head/usr.bin/chpass/chpass.c
==============================================================================
--- head/usr.bin/chpass/chpass.c Thu Nov 15 15:06:15 2012
(r243080)
+++ head/usr.bin/chpass/chpass.c Thu Nov 15 15:06:18 2012
(r243081)
@@ -241,8 +241,11 @@ main(int argc, char *argv[])
#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);
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