diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-11-23 07:18:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-23 07:18:09 +0100 |
| commit | 064e6a8ba61a751625478f656c6f76a6f37a009e (patch) | |
| tree | a22d84d037543f74b6c86969c7e87ab799768de9 /net/ipv4/tcp_ipv4.c | |
| parent | af25ed59b5616b389d90877f7085dc5d457a3d49 (diff) | |
| parent | 23400ac997062647f2b63c82030d189671b1effe (diff) | |
| download | linux-064e6a8ba61a751625478f656c6f76a6f37a009e.tar.bz2 | |
Merge branch 'linus' into x86/fpu, to resolve conflicts
Conflicts:
arch/x86/kernel/fpu/core.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 61b7be303eec..2259114c7242 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1564,6 +1564,21 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb) } EXPORT_SYMBOL(tcp_add_backlog); +int tcp_filter(struct sock *sk, struct sk_buff *skb) +{ + struct tcphdr *th = (struct tcphdr *)skb->data; + unsigned int eaten = skb->len; + int err; + + err = sk_filter_trim_cap(sk, skb, th->doff * 4); + if (!err) { + eaten -= skb->len; + TCP_SKB_CB(skb)->end_seq -= eaten; + } + return err; +} +EXPORT_SYMBOL(tcp_filter); + /* * From tcp_input.c */ @@ -1676,8 +1691,10 @@ process: nf_reset(skb); - if (sk_filter(sk, skb)) + if (tcp_filter(sk, skb)) goto discard_and_relse; + th = (const struct tcphdr *)skb->data; + iph = ip_hdr(skb); skb->dev = NULL; |