redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[ETH]: Validate address in eth_mac_addr 

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Patrick McHardy 2007-07-11 19:41:18 -07:00 committed by David S. Miller
parent 50b65cc6fa
commit 71bffe556c
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ethernet/eth.c
View File

@ -266,8 +266,11 @@ void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
static int eth_mac_addr(struct net_device *dev, void *p)
{
struct sockaddr *addr = p;
if (netif_running(dev))
return -EBUSY;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
return 0;
}