[TCP]: Add missing skb_header_release() call to tcp_fragment().

When we add any new packet to the TCP socket write queue,
we must call skb_header_release() on it in order for the
TSO sharing checks in the drivers to work.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 362b811a2460c9e5ac85c696bdec5625d0eb15f3..5e63ed09658d39f6c8fe95d99a3498ad518f0ad1 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -655,6 +655,7 @@ static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len)
        }
 
        /* Link BUFF into the send queue. */
+       skb_header_release(buff);
        __skb_append(skb, buff);
 
        return 0;