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Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 8219d0d8dc83..3708de2a6683 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1556,9 +1556,9 @@ int tcp_v4_rcv(struct sk_buff *skb)
if (!pskb_may_pull(skb, sizeof(struct tcphdr)))
goto discard_it;
- th = tcp_hdr(skb);
+ th = (const struct tcphdr *)skb->data;
- if (th->doff < sizeof(struct tcphdr) / 4)
+ if (unlikely(th->doff < sizeof(struct tcphdr) / 4))
goto bad_packet;
if (!pskb_may_pull(skb, th->doff * 4))
goto discard_it;
@@ -1571,7 +1571,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
if (skb_checksum_init(skb, IPPROTO_TCP, inet_compute_pseudo))
goto csum_error;
- th = tcp_hdr(skb);
+ th = (const struct tcphdr *)skb->data;
iph = ip_hdr(skb);
/* This is tricky : We move IPCB at its correct location into TCP_SKB_CB()
* barrier() makes sure compiler wont play fool^Waliasing games.
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