File 0001-avoid-assertion-if-invalid-address-familily-is-passed.diff of Package nss-myhostname

From 744bb07b800cb15f5a175a0be720b478bc429e0a Mon Sep 17 00:00:00 2001
From: Ludwig Nussel <ludwig.nussel@suse.de>
Date: Mon, 26 Nov 2012 09:49:42 +0100
Subject: [PATCH nss-myhostname] avoid assertion if invalid address familily
 is passed to gethostbyaddr_r (bnc#791101)

---
 nss-myhostname.c |   11 ++++++-----
 1 Datei geändert, 6 Zeilen hinzugefügt(+), 5 Zeilen entfernt(-)

Index: nss-myhostname-0.3/nss-myhostname.c
===================================================================
--- nss-myhostname-0.3.orig/nss-myhostname.c
+++ nss-myhostname-0.3/nss-myhostname.c
@@ -381,6 +381,12 @@ enum nss_status _nss_myhostname_gethostb
         struct address *addresses = NULL, *a;
         unsigned n_addresses = 0, n;
 
+        if (af != AF_INET && af != AF_INET6) {
+                *errnop = EAFNOSUPPORT;
+                *h_errnop = NO_DATA;
+                return NSS_STATUS_UNAVAIL;
+        }
+
         if (len != PROTO_ADDRESS_SIZE(af)) {
                 *errnop = EINVAL;
                 *h_errnop = NO_RECOVERY;
@@ -396,11 +402,6 @@ enum nss_status _nss_myhostname_gethostb
 
                 if (memcmp(addr, LOCALADDRESS_IPV6, 16) == 0)
                         goto found;
-
-        } else {
-                *errnop = EAFNOSUPPORT;
-                *h_errnop = NO_DATA;
-                return NSS_STATUS_UNAVAIL;
         }
 
         netlink_acquire_addresses(&addresses, &n_addresses);