[5243] Clarified that affected version is RedHat 6.4

diff --git a/src/lib/dhcp/pkt_filter_inet6.cc b/src/lib/dhcp/pkt_filter_inet6.cc
index 89acad61075f4f89d712a45e67fb145ac260f63f..baa6ec7a9e41fc049a203f61930553c5b15ebbf0 100644 (file)
--- a/src/lib/dhcp/pkt_filter_inet6.cc
+++ b/src/lib/dhcp/pkt_filter_inet6.cc
@@ -80,8 +80,9 @@ PktFilterInet6::openSocket(const Iface& iface,
     // in6addr_any (binding to port). Binding to port is required on some
     // operating systems, e.g. NetBSD and OpenBSD so as the socket can
     // join the socket to multicast group.
-    // RedHat defines SO_REUSEPORT but the kernel does not support it
-    // and returns ENOPROTOOPT so ignore this error.
+    // RedHat 6.4 defines SO_REUSEPORT but the kernel does not support it
+    // and returns ENOPROTOOPT so ignore this error. Other versions may be
+    // affected, too.
     if ((setsockopt(sock, SOL_SOCKET, SO_REUSEPORT,
                     (char *)&flag, sizeof(flag)) < 0) &&
         (errno != ENOPROTOOPT)) {