Patch originally from Fedora

http://pkgs.fedoraproject.org/cgit/tftp.git/

Upstream-Status: Pending

diff -up tftp-hpa-5.2/tftpd/recvfrom.c.test tftp-hpa-5.2/tftpd/recvfrom.c
--- tftp-hpa-5.2/tftpd/recvfrom.c.test	2011-12-11 23:13:52.000000000 +0100
+++ tftp-hpa-5.2/tftpd/recvfrom.c	2012-01-04 10:05:17.852042256 +0100
@@ -149,16 +149,16 @@ myrecvfrom(int s, void *buf, int len, un
 
     /* Try to enable getting the return address */
 #ifdef IP_RECVDSTADDR
-    if (from->sa_family == AF_INET)
+    if (from->sa_family == AF_INET || !from->sa_family)
         setsockopt(s, IPPROTO_IP, IP_RECVDSTADDR, &on, sizeof(on));
 #endif
 #ifdef IP_PKTINFO
-    if (from->sa_family == AF_INET)
+    if (from->sa_family == AF_INET || !from->sa_family)
         setsockopt(s, IPPROTO_IP, IP_PKTINFO, &on, sizeof(on));
 #endif
 #ifdef HAVE_IPV6
 #ifdef IPV6_RECVPKTINFO
-    if (from->sa_family == AF_INET6)
+    if (from->sa_family == AF_INET6 || !from->sa_family)
         setsockopt(s, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on, sizeof(on));
 #endif
 #endif