Commit 18a1166d authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont Committed by David S. Miller
Browse files

Phonet: error on broadcast sending (unimplemented) 



If we ever implement this, then we can stop returning an error.

Signed-off-by: default avatarRémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 582b0b61

include/linux/phonet.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */

net/phonet/af_phonet.c

+6 −0
Original line number Diff line number Diff line
@@ -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));