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Commit 18406d7e authored by YOSHIFUJI Hideaki / 吉藤英明's avatar YOSHIFUJI Hideaki / 吉藤英明 Committed by David S. Miller
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firewire net: Accept IPv4 and ARP only. 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b8092861

drivers/firewire/net.c

+19 −2
Original line number Diff line number Diff line
@@ -517,6 +517,14 @@ static int fwnet_finish_incoming_packet(struct net_device *net, 
	int status;

	__be64 guid;



	switch (ether_type) {

	case ETH_P_ARP:

	case ETH_P_IP:

		break;

	default:

		goto err;

	}



	dev = netdev_priv(net);

	/* Write metadata, and then pass to the receive level */

	skb->dev = net;
@@ -653,6 +661,7 @@ static int fwnet_finish_incoming_packet(struct net_device *net, 
	return 0;



 no_peer:

 err:

	net->stats.rx_errors++;

	net->stats.rx_dropped++;
@@ -1340,9 +1349,17 @@ static netdev_tx_t fwnet_tx(struct sk_buff *skb, struct net_device *net) 
	 * We might need to rebuild the header on tx failure.

	 */

	memcpy(&hdr_buf, skb->data, sizeof(hdr_buf));

	skb_pull(skb, sizeof(hdr_buf));



	proto = hdr_buf.h_proto;



	switch (proto) {

	case htons(ETH_P_ARP):

	case htons(ETH_P_IP):

		break;

	default:

		goto fail;

	}



	skb_pull(skb, sizeof(hdr_buf));

	dg_size = skb->len;



	/*