X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Finet6_connection_sock.c;h=a2323718162471ebb4d21e45bac9f52104e19419;hb=b9bae75805932048d0b5172cd63f83b28668eb02;hp=fee46d5a2f125f54451f5115dbddd050138af3a7;hpb=addd8c92cf55bba578b8a56e0f717a0a74b31008;p=pandora-kernel.git

diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index fee46d5a2f12..a23237181624 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -66,7 +66,9 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
 	memset(&fl6, 0, sizeof(fl6));
 	fl6.flowi6_proto = IPPROTO_TCP;
 	ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
-	final_p = fl6_update_dst(&fl6, np->opt, &final);
+	rcu_read_lock();
+	final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final);
+	rcu_read_unlock();
 	ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
 	fl6.flowi6_oif = sk->sk_bound_dev_if;
 	fl6.flowi6_mark = sk->sk_mark;
@@ -85,7 +87,7 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
  * request_sock (formerly open request) hash tables.
  */
 static u32 inet6_synq_hash(const struct in6_addr *raddr, const __be16 rport,
-			   const u32 rnd, const u16 synq_hsize)
+			   const u32 rnd, const u32 synq_hsize)
 {
 	u32 c;
 
@@ -225,7 +227,9 @@ int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
 	fl6.fl6_dport = inet->inet_dport;
 	security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
 
-	final_p = fl6_update_dst(&fl6, np->opt, &final);
+	rcu_read_lock();
+	final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final);
+	rcu_read_unlock();
 
 	dst = __inet6_csk_dst_check(sk, np->dst_cookie);
 
@@ -248,7 +252,8 @@ int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
 	/* Restore final destination back after routing done */
 	ipv6_addr_copy(&fl6.daddr, &np->daddr);
 
-	res = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
+	res = ip6_xmit(sk, skb, &fl6, rcu_dereference(np->opt),
+		       np->tclass);
 	rcu_read_unlock();
 	return res;
 }