diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-01-14 22:25:14 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-01-14 22:25:14 +0800 |
| commit | f90ae1b62bedd8b57966a7be68855f2d43170db6 (patch) | |
| tree | dc332d18219749a17b163d740b8713be5e8d940b /net/ipv6/inet6_connection_sock.c | |
| parent | 346a8beb760237fb0fed811045ec92c799f48d54 (diff) | |
| parent | 60917545df1ffc7f918550512dc4a14758f74784 (diff) | |
Merge remote-tracking branch 'lts/linux-3.18.y' into linux-linaro-lsk-v3.18lsk-v3.18-16.01
Diffstat (limited to 'net/ipv6/inet6_connection_sock.c')
| -rw-r--r-- | net/ipv6/inet6_connection_sock.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 29b32206e494..6cc516c825b6 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -77,7 +77,9 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk, memset(fl6, 0, sizeof(*fl6)); fl6->flowi6_proto = IPPROTO_TCP; fl6->daddr = ireq->ir_v6_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(); fl6->saddr = ireq->ir_v6_loc_addr; fl6->flowi6_oif = ireq->ir_iif; fl6->flowi6_mark = ireq->ir_mark; @@ -208,7 +210,9 @@ static struct dst_entry *inet6_csk_route_socket(struct sock *sk, 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); if (!dst) { @@ -241,7 +245,8 @@ int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl_unused /* Restore final destination back after routing done */ fl6.daddr = sk->sk_v6_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; } |