return count;
}
-static inline size_t iov_total(const struct iovec *iv, unsigned long count)
-{
- unsigned long i;
- size_t len;
-
- for (i = 0, len = 0; i < count; i++)
- len += iv[i].iov_len;
-
- return len;
-}
-
static ssize_t tun_chr_aio_write(struct kiocb *iocb, const struct iovec *iv,
unsigned long count, loff_t pos)
{
DBG(KERN_INFO "%s: tun_chr_write %ld\n", tun->dev->name, count);
- return tun_get_user(tun, (struct iovec *) iv, iov_total(iv, count));
+ return tun_get_user(tun, (struct iovec *) iv, iov_length(iv, count));
}
/* Put packet to the user space buffer */
DBG(KERN_INFO "%s: tun_chr_read\n", tun->dev->name);
- len = iov_total(iv, count);
+ len = iov_length(iv, count);
if (len < 0)
return -EINVAL;
/* Be promiscuous by default to maintain previous behaviour. */
tun->if_flags = IFF_PROMISC;
/* Generate random Ethernet address. */
- *(u16 *)tun->dev_addr = htons(0x00FF);
+ *(__be16 *)tun->dev_addr = htons(0x00FF);
get_random_bytes(tun->dev_addr + sizeof(u16), 4);
memset(tun->chr_filter, 0, sizeof tun->chr_filter);
if (ifr->ifr_flags & IFF_NO_PI)
tun->flags |= TUN_NO_PI;
+ else
+ tun->flags &= ~TUN_NO_PI;
if (ifr->ifr_flags & IFF_ONE_QUEUE)
tun->flags |= TUN_ONE_QUEUE;
+ else
+ tun->flags &= ~TUN_ONE_QUEUE;
file->private_data = tun;
tun->attached = 1;
case SIOCSIFHWADDR:
{
/* try to set the actual net device's hw address */
- int ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
+ int ret;
+
+ rtnl_lock();
+ ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
+ rtnl_unlock();
if (ret == 0) {
/** Set the character device's hardware address. This is used when