X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Ftipc%2Feth_media.c;h=711ca4b1f051720ca546d6e722e1ab387a20ed21;hb=7e2acc7e2711d51705373ac201333c9a0ebd3950;hp=0ee6ded18f3a503a99ed08c4a11cd110f8a719c2;hpb=a9deecba19b8f384d97f82c75379da48bccb2588;p=linux-2.6

diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 0ee6ded18f..711ca4b1f0 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -1,8 +1,8 @@
 /*
  * net/tipc/eth_media.c: Ethernet bearer support for TIPC
  *
- * Copyright (c) 2001-2006, Ericsson AB
- * Copyright (c) 2005-2006, Wind River Systems
+ * Copyright (c) 2001-2007, Ericsson AB
+ * Copyright (c) 2005-2007, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,6 +87,9 @@ static int send_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr,
 /**
  * recv_msg - handle incoming TIPC message from an Ethernet interface
  *
+ * Accept only packets explicitly sent to this node, or broadcast packets;
+ * ignores packets sent using Ethernet multicast, and traffic sent to other
+ * nodes (which can happen if interface is running in promiscuous mode).
  * Routine truncates any Ethernet padding/CRC appended to the message,
  * and ensures message size matches actual length
  */
@@ -98,9 +101,7 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
 	u32 size;
 
 	if (likely(eb_ptr->bearer)) {
-	       if (likely(!dev->promiscuity) ||
-		   !memcmp(skb_mac_header(buf), dev->dev_addr, ETH_ALEN) ||
-		   !memcmp(skb_mac_header(buf), dev->broadcast, ETH_ALEN)) {
+		if (likely(buf->pkt_type <= PACKET_BROADCAST)) {
 			size = msg_size((struct tipc_msg *)buf->data);
 			skb_trim(buf, size);
 			if (likely(buf->len == size)) {
@@ -120,18 +121,20 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
 
 static int enable_bearer(struct tipc_bearer *tb_ptr)
 {
-	struct net_device *dev, *pdev;
+	struct net_device *dev = NULL;
+	struct net_device *pdev = NULL;
 	struct eth_bearer *eb_ptr = &eth_bearers[0];
 	struct eth_bearer *stop = &eth_bearers[MAX_ETH_BEARERS];
 	char *driver_name = strchr((const char *)tb_ptr->name, ':') + 1;
 
 	/* Find device with specified name */
-	dev = NULL;
-	for_each_netdev(pdev)
-		if (!strncmp(dev->name, driver_name, IFNAMSIZ)) {
+
+	for_each_netdev(pdev){
+		if (!strncmp(pdev->name, driver_name, IFNAMSIZ)) {
 			dev = pdev;
 			break;
 		}
+	}
 	if (!dev)
 		return -ENODEV;