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@xxxxxxxxx> --- drivers/media/dvb/dvb-core/dvb_net.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 8766ce8..ebae67e 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c @@ -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); -- 1.7.8.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html