diff options
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 91a6b2c88341..aa7811993276 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -323,12 +323,15 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst, static inline unsigned int ip_skb_dst_mtu(const struct sk_buff *skb) { - if (!skb->sk || ip_sk_use_pmtu(skb->sk)) { + struct sock *sk = skb->sk; + + if (!sk || !sk_fullsock(sk) || ip_sk_use_pmtu(sk)) { bool forwarding = IPCB(skb)->flags & IPSKB_FORWARDED; + return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding); - } else { - return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU); } + + return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU); } u32 ip_idents_reserve(u32 hash, int segs); |