[PATCH] KVM: MMU: Shadow page table caching

[powerpc.git] / net / rose / rose_dev.c

diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 9d0bf2a..50824d3 100644 (file)
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -59,6 +59,7 @@ static int rose_rebuild_header(struct sk_buff *skb)
        struct net_device_stats *stats = netdev_priv(dev);
        unsigned char *bp = (unsigned char *)skb->data;
        struct sk_buff *skbn;
+       unsigned int len;
 
 #ifdef CONFIG_INET
        if (arp_find(bp + 7, skb)) {
@@ -75,6 +76,8 @@ static int rose_rebuild_header(struct sk_buff *skb)
 
        kfree_skb(skb);
 
+       len = skbn->len;
+
        if (!rose_route_frame(skbn, NULL)) {
                kfree_skb(skbn);
                stats->tx_errors++;
@@ -82,7 +85,7 @@ static int rose_rebuild_header(struct sk_buff *skb)
        }
 
        stats->tx_packets++;
-       stats->tx_bytes += skbn->len;
+       stats->tx_bytes += len;
 #endif
        return 1;
 }
@@ -90,20 +93,34 @@ static int rose_rebuild_header(struct sk_buff *skb)
 static int rose_set_mac_address(struct net_device *dev, void *addr)
 {
        struct sockaddr *sa = addr;
+       int err;
 
-       rose_del_loopback_node((rose_address *)dev->dev_addr);
+       if (!memcpy(dev->dev_addr, sa->sa_data, dev->addr_len))
+               return 0;
 
-       memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
+       if (dev->flags & IFF_UP) {
+               err = rose_add_loopback_node((rose_address *)dev->dev_addr);
+               if (err)
+                       return err;
 
-       rose_add_loopback_node((rose_address *)dev->dev_addr);
+               rose_del_loopback_node((rose_address *)dev->dev_addr);
+       }
+
+       memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
 
        return 0;
 }
 
 static int rose_open(struct net_device *dev)
 {
+       int err;
+
+       err = rose_add_loopback_node((rose_address *)dev->dev_addr);
+       if (err)
+               return err;
+
        netif_start_queue(dev);
-       rose_add_loopback_node((rose_address *)dev->dev_addr);
+
        return 0;
 }