diff options
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7babd1e9a378..f8c5e2fd04df 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -377,7 +377,7 @@ static void tun_flow_delete_by_queue(struct tun_struct *tun, u16 queue_index) static void tun_flow_cleanup(struct timer_list *t) { - struct tun_struct *tun = from_timer(tun, t, flow_gc_timer); + struct tun_struct *tun = timer_container_of(tun, t, flow_gc_timer); unsigned long delay = tun->ageing_time; unsigned long next_timer = jiffies + delay; unsigned long count = 0; @@ -3193,7 +3193,13 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, case SIOCSIFHWADDR: /* Set hw address */ - ret = dev_set_mac_address_user(tun->dev, &ifr.ifr_hwaddr, NULL); + if (tun->dev->addr_len > sizeof(ifr.ifr_hwaddr)) { + ret = -EINVAL; + break; + } + ret = dev_set_mac_address_user(tun->dev, + (struct sockaddr_storage *)&ifr.ifr_hwaddr, + NULL); break; case TUNGETSNDBUF: |