[ETHERNET]: Validate new address in eth_mac_addr
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
---
commit c92ac42cd3badaf120e97223ac4798abf5226424
tree 824d080a4748fcd6f025bbe7b9466feee46e3303
parent 45da27ba265dba3c740c45d47f584c30d7066f82
author Patrick McHardy <[EMAIL PROTECTED]> Mon, 18 Jun 2007 16:15:32 +0200
committer Patrick McHardy <[EMAIL PROTECTED]> Mon, 18 Jun 2007 16:15:32 +0200
net/ethernet/eth.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 0ac2524..9298a2c 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -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 -EINVAL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
return 0;
}
-
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