diff options
Diffstat (limited to 'net/tipc/udp_media.c')
| -rw-r--r-- | net/tipc/udp_media.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index f892b0903dba..108a4cc2e001 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -135,8 +135,11 @@ static int tipc_udp_addr2str(struct tipc_media_addr *a, char *buf, int size) snprintf(buf, size, "%pI4:%u", &ua->ipv4, ntohs(ua->port)); else if (ntohs(ua->proto) == ETH_P_IPV6) snprintf(buf, size, "%pI6:%u", &ua->ipv6, ntohs(ua->port)); - else + else { pr_err("Invalid UDP media address\n"); + return 1; + } + return 0; } @@ -174,7 +177,7 @@ static int tipc_udp_xmit(struct net *net, struct sk_buff *skb, local_bh_disable(); ndst = dst_cache_get(cache); if (dst->proto == htons(ETH_P_IP)) { - struct rtable *rt = (struct rtable *)ndst; + struct rtable *rt = dst_rtable(ndst); if (!rt) { struct flowi4 fl = { @@ -804,6 +807,7 @@ static void cleanup_bearer(struct work_struct *work) { struct udp_bearer *ub = container_of(work, struct udp_bearer, work); struct udp_replicast *rcast, *tmp; + struct tipc_net *tn; list_for_each_entry_safe(rcast, tmp, &ub->rcast.list, list) { dst_cache_destroy(&rcast->dst_cache); @@ -811,10 +815,14 @@ static void cleanup_bearer(struct work_struct *work) kfree_rcu(rcast, rcu); } - atomic_dec(&tipc_net(sock_net(ub->ubsock->sk))->wq_count); + tn = tipc_net(sock_net(ub->ubsock->sk)); + dst_cache_destroy(&ub->rcast.dst_cache); udp_tunnel_sock_release(ub->ubsock); + + /* Note: could use a call_rcu() to avoid another synchronize_net() */ synchronize_net(); + atomic_dec(&tn->wq_count); kfree(ub); } |