[03/12] dvb_net: check given MAC address, if invalid return -EADDRNOTAVAIL
Commit Message
Check if given address is valid in .ndo_set_mac_address, if
invalid return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
---
drivers/media/dvb/dvb-core/dvb_net.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
@@ -1190,7 +1190,10 @@ static void wq_restart_net_feed (struct work_struct *work)
static int dvb_net_set_mac (struct net_device *dev, void *p)
{
struct dvb_net_priv *priv = netdev_priv(dev);
- struct sockaddr *addr=p;
+ struct sockaddr *addr = p;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);