Phonet: error on broadcast sending (unimplemented)

[linux-2.6.git] / net / phonet / af_phonet.c

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index a662e62a99cfa0adcf7589aa457a19bfeb21b48a..f60c0c2aacba5f1a99fe4a2fe159f43a09b78f07 100644 (file)
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -168,6 +168,12 @@ static int pn_send(struct sk_buff *skb, struct net_device *dev,
                goto drop;
        }
 
+       /* Broadcast sending is not implemented */
+       if (pn_addr(dst) == PNADDR_BROADCAST) {
+               err = -EOPNOTSUPP;
+               goto drop;
+       }
+
        skb_reset_transport_header(skb);
        WARN_ON(skb_headroom(skb) & 1); /* HW assumes word alignment */
        skb_push(skb, sizeof(struct phonethdr));