--- krb5-1.11.5/src/plugins/kdb/ldap/libkdb_ldap/ldap_principal.c.bak	2014-08-15 21:31:01.324200999 +0300
+++ krb5-1.11.5/src/plugins/kdb/ldap/libkdb_ldap/ldap_principal.c	2014-08-20 17:43:10.649538005 +0300
@@ -412,7 +412,7 @@ krb5_ldap_parse_principal_name(char *i_p
     at_rlm_name = strrchr(i_princ_name, '@');
     if (!at_rlm_name) {
         *o_princ_name = strdup(i_princ_name);
-        if (!o_princ_name)
+        if (!*o_princ_name)
             return ENOMEM;
     } else {
         krb5int_buf_init_dynamic(&buf);