diff options
| author | Rémi Denis-Courmont <remi.denis-courmont@nokia.com> | 2009-09-23 05:17:11 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-25 00:38:57 +0200 |
| commit | 18a1166de994685d770425086b2bcc1ba567f7ed (patch) | |
| tree | 748916e0e5640506b438b7bcafb863153a4c0816 | |
| parent | Phonet: fix race for port number in concurrent bind() (diff) | |
| download | linux-18a1166de994685d770425086b2bcc1ba567f7ed.tar.xz linux-18a1166de994685d770425086b2bcc1ba567f7ed.zip | |
Phonet: error on broadcast sending (unimplemented)
If we ever implement this, then we can stop returning an error.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/phonet.h | 1 | ||||
| -rw-r--r-- | net/phonet/af_phonet.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/phonet.h b/include/linux/phonet.h index 1ef5a0781831..e5126cff9b2a 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -38,6 +38,7 @@ #define PNPIPE_IFINDEX 2 #define PNADDR_ANY 0 +#define PNADDR_BROADCAST 0xFC #define PNPORT_RESOURCE_ROUTING 0 /* Values for PNPIPE_ENCAP option */ diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index a662e62a99cf..f60c0c2aacba 100644 --- 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)); |