diff options
| -rw-r--r-- | drivers/net/tun.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 8cc6bf4..4884802 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1254,6 +1254,13 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, return -EFAULT; } + err = virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun)); + if (err) { + this_cpu_inc(tun->pcpu_stats->rx_frame_errors); + kfree_skb(skb); + return -EINVAL; + } + switch (tun->flags & TUN_TYPE_MASK) { case IFF_TUN: if (tun->flags & IFF_NO_PI) { @@ -1280,13 +1287,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, break; } - err = virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun)); - if (err) { - this_cpu_inc(tun->pcpu_stats->rx_frame_errors); - kfree_skb(skb); - return -EINVAL; - } - /* copy skb_ubuf_info for callback when skb has no error */ if (zerocopy) { skb_shinfo(skb)->destructor_arg = msg_control; |
