net: minor: tcp: use tcp_skb_mss helper in tcp_tso_segment

We have the minimal inline helper tcp_skb_mss to access
skb_shinfo(skb)->gso_size, so also use it here to get mss.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b5d4ad9..6a1cf95 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2905,7 +2905,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
        oldlen = (u16)~skb->len;
        __skb_pull(skb, thlen);
 
-       mss = skb_shinfo(skb)->gso_size;
+       mss = tcp_skb_mss(skb);
        if (unlikely(skb->len <= mss))
                goto out;
 
@@ -3071,7 +3071,7 @@ found:
                flush |= *(u32 *)((u8 *)th + i) ^
                         *(u32 *)((u8 *)th2 + i);
 
-       mss = skb_shinfo(p)->gso_size;
+       mss = tcp_skb_mss(p);
 
        flush |= (len - 1) >= mss;
        flush |= (ntohl(th2->seq) + skb_gro_len(p)) ^ ntohl(th->seq);