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Phonet: error on broadcast sending (unimplemented)

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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>
This commit is contained in:
Rémi Denis-Courmont 2009-09-23 03:17:11 +00:00 committed by David S. Miller
parent 582b0b6113
commit 18a1166de9
2 changed files with 7 additions and 0 deletions
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1
include/linux/phonet.h
View file

@ -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 */

6
net/phonet/af_phonet.c
View file

@ -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));