commit c4fd30eb18666972230689eb30e8f90844bce635
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Mon Mar 20 16:55:26 2006 -0800
committer David S. Miller <davem@davemloft.net> Mon Mar 20 16:55:26 2006 -0800
tree f1b8daddeb21d7d1390fa1ae820bf2b5ffa8d276
parent 65f5c7c1143fb8eed5bc7e7d8c926346e00fe3c0

[IPV6]: ADDRCONF: Add accept_ra_pinfo sysctl.

This controls whether we accept Prefix Information in RAs.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/ndisc.c

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e171167..3b56be8 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1191,7 +1191,7 @@
 			     NEIGH_UPDATE_F_ISROUTER);
 	}
 
-	if (ndopts.nd_opts_pi) {
+	if (in6_dev->cnf.accept_ra_pinfo && ndopts.nd_opts_pi) {
 		struct nd_opt_hdr *p;
 		for (p = ndopts.nd_opts_pi;
 		     p;