inet6: No flags on the prefix means the prefix is via the router

Fixes a minor regression from prior.

diff --git a/src/ipv6nd.c b/src/ipv6nd.c
index 5c4bd410c1ac6217f5cd59c3f14d4176bab5f13f..009792dce3a4ea99719cd3a8187d58dca9256cc7 100644 (file)
--- a/src/ipv6nd.c
+++ b/src/ipv6nd.c
@@ -1339,7 +1339,9 @@ ipv6nd_handlera(struct dhcpcd_ctx *ctx,
                                continue;
                        }
 
-                       flags = 0;
+                       flags = IPV6_AF_RAPFX;
+                       /* If no flags are set, that means the prefix is
+                        * available via the router. */
                        if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)
                                flags |= IPV6_AF_ONLINK;
                        if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO &&
@@ -1348,20 +1350,12 @@ ipv6nd_handlera(struct dhcpcd_ctx *ctx,
                                flags |= IPV6_AF_AUTOCONF;
                        if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ROUTER)
                                flags |= IPV6_AF_ROUTER;
-                       if (flags == 0) {
-                               logmessage(loglevel,
-                                   "%s: prefix information option"
-                                   " with unknown flags",
-                                   ifp->name);
-                               continue;
-                       }
 
                        ia = ipv6nd_rapfindprefix(rap,
                            &pi_prefix, pi.nd_opt_pi_prefix_len);
                        if (ia == NULL) {
                                ia = ipv6_newaddr(rap->iface,
-                                   &pi_prefix, pi.nd_opt_pi_prefix_len,
-                                   flags | IPV6_AF_RAPFX);
+                                   &pi_prefix, pi.nd_opt_pi_prefix_len, flags);
                                if (ia == NULL)
                                        break;
                                ia->prefix = pi_prefix;