ARM64: dts: rockchip: enable tsadc node for rk3366-tb

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0c7b0e61b917158af7e431f9e7781f7bce313c83..2ef43a102951c3ab4af81662b0f553122197693e 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -966,8 +966,10 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
        if (msg->msg_controllen) {
                err = ip_cmsg_send(sock_net(sk), msg, &ipc,
                                   sk->sk_family == AF_INET6);
-               if (err)
+               if (unlikely(err)) {
+                       kfree(ipc.opt);
                        return err;
+               }
                if (ipc.opt)
                        free = 1;
                connected = 0;
@@ -1023,10 +1025,14 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
                flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
                                   RT_SCOPE_UNIVERSE, sk->sk_protocol,
                                   flow_flags,
-                                  faddr, saddr, dport, inet->inet_sport);
+                                  faddr, saddr, dport, inet->inet_sport,
+                                  sock_i_uid(sk));
 
-               if (!saddr && ipc.oif)
-                       l3mdev_get_saddr(net, ipc.oif, fl4);
+               if (!saddr && ipc.oif) {
+                       err = l3mdev_get_saddr(net, ipc.oif, fl4);
+                       if (err < 0)
+                               goto out;
+               }
 
                security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
                rt = ip_route_output_flow(net, fl4, sk);
@@ -1985,10 +1991,14 @@ void udp_v4_early_demux(struct sk_buff *skb)
                if (!in_dev)
                        return;
 
-               ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
-                                      iph->protocol);
-               if (!ours)
-                       return;
+               /* we are supposed to accept bcast packets */
+               if (skb->pkt_type == PACKET_MULTICAST) {
+                       ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
+                                              iph->protocol);
+                       if (!ours)
+                               return;
+               }
+
                sk = __udp4_lib_mcast_demux_lookup(net, uh->dest, iph->daddr,
                                                   uh->source, iph->saddr, dif);
        } else if (skb->pkt_type == PACKET_HOST) {