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Diffstat (limited to 'net/rose/rose_dev.c')
-rw-r--r--net/rose/rose_dev.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 7c279e2659ec..50824d345fa6 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -93,20 +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_del_loopback_node((rose_address *)dev->dev_addr);
+ }
- rose_add_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;
}

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