1 files changed, 8 insertions, 8 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0cd71b84e483..1cd608253940 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2481,19 +2481,19 @@ struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
         unsigned int mss = 1;
         int flush = 1;
 
-        if (!pskb_may_pull(skb, sizeof(*th)))
+        th = skb_gro_header(skb, sizeof(*th));
+        if (unlikely(!th))
                 goto out;
 
-        th = tcp_hdr(skb);
         thlen = th->doff * 4;
         if (thlen < sizeof(*th))
                 goto out;
 
-        if (!pskb_may_pull(skb, thlen))
+        th = skb_gro_header(skb, thlen);
+        if (unlikely(!th))
                 goto out;
 
-        th = tcp_hdr(skb);
-        __skb_pull(skb, thlen);
+        skb_gro_pull(skb, thlen);
 
         flags = tcp_flag_word(th);
 
@@ -2521,10 +2521,10 @@ found:
         flush |= th->ack_seq != th2->ack_seq || th->window != th2->window;
         flush |= memcmp(th + 1, th2 + 1, thlen - sizeof(*th));
 
-        total = p->len;
+        total = skb_gro_len(p);
         mss = skb_shinfo(p)->gso_size;
 
-        flush |= skb->len > mss || skb->len <= 0;
+        flush |= skb_gro_len(skb) > mss || !skb_gro_len(skb);
         flush |= ntohl(th2->seq) + total != ntohl(th->seq);
 
         if (flush || skb_gro_receive(head, skb)) {
@@ -2537,7 +2537,7 @@ found:
         tcp_flag_word(th2) |= flags & (TCP_FLAG_FIN | TCP_FLAG_PSH);
 
 out_check_final:
-        flush = skb->len < mss;
+        flush = skb_gro_len(skb) < mss;
         flush |= flags & (TCP_FLAG_URG | TCP_FLAG_PSH | TCP_FLAG_RST |
                           TCP_FLAG_SYN | TCP_FLAG_FIN);