diff options
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 3fb0ed5e4789..3d2a81bdc2ab 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -847,15 +847,23 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4, const int hlen = skb_network_header_len(skb) + sizeof(struct udphdr); - if (hlen + cork->gso_size > cork->fragsize) + if (hlen + cork->gso_size > cork->fragsize) { + kfree_skb(skb); return -EINVAL; - if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) + } + if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { + kfree_skb(skb); return -EINVAL; - if (sk->sk_no_check_tx) + } + if (sk->sk_no_check_tx) { + kfree_skb(skb); return -EINVAL; + } if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite || - dst_xfrm(skb_dst(skb))) + dst_xfrm(skb_dst(skb))) { + kfree_skb(skb); return -EIO; + } skb_shinfo(skb)->gso_size = cork->gso_size; skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; |