diff options
Diffstat (limited to 'net/core/dev_ioctl.c')
| -rw-r--r-- | net/core/dev_ioctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index fff13a8b48f1..616479e71466 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -572,9 +572,11 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, void __user *data, return dev_set_mtu(dev, ifr->ifr_mtu); case SIOCSIFHWADDR: - if (dev->addr_len > sizeof(struct sockaddr)) + if (dev->addr_len > sizeof(ifr->ifr_hwaddr)) return -EINVAL; - return dev_set_mac_address_user(dev, &ifr->ifr_hwaddr, NULL); + return dev_set_mac_address_user(dev, + (struct sockaddr_storage *)&ifr->ifr_hwaddr, + NULL); case SIOCSIFHWBROADCAST: if (ifr->ifr_hwaddr.sa_family != dev->type) |