diff options
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 6760b86547df..ea528248d7d0 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2313,9 +2313,9 @@ static void tun_setup(struct net_device *dev) static int tun_validate(struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack) { - if (!data) - return 0; - return -EINVAL; + NL_SET_ERR_MSG(extack, + "tun/tap creation via rtnetlink is not supported."); + return -EOPNOTSUPP; } static size_t tun_get_size(const struct net_device *dev) @@ -2412,6 +2412,7 @@ static int tun_xdp_one(struct tun_struct *tun, struct xdp_buff *xdp, int *flush, struct tun_page *tpage) { + unsigned int datasize = xdp->data_end - xdp->data; struct tun_xdp_hdr *hdr = xdp->data_hard_start; struct virtio_net_hdr *gso = &hdr->gso; struct tun_pcpu_stats *stats; @@ -2497,7 +2498,7 @@ build: stats = get_cpu_ptr(tun->pcpu_stats); u64_stats_update_begin(&stats->syncp); stats->rx_packets++; - stats->rx_bytes += skb->len; + stats->rx_bytes += datasize; u64_stats_update_end(&stats->syncp); put_cpu_ptr(stats); |