diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-10-27 13:19:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-28 12:44:38 +0100 |
| commit | 3ded97bc41a1e76e1e72eeb192331c01ceacc4bc (patch) | |
| tree | 724f740d4ac0ec6f3c63a2efa23a650ef291cf26 /net | |
| parent | 911e3a46fb38669560021537e00222591231f456 (diff) | |
| download | linux-3ded97bc41a1e76e1e72eeb192331c01ceacc4bc.tar.bz2 | |
tcp: remove dead code from tcp_sendmsg_locked()
TCP sendmsg() no longer puts payload in skb head, we can remove
dead code.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index d0b848ff5c0f..4053ace0cd76 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1309,14 +1309,7 @@ new_segment: if (copy > msg_data_left(msg)) copy = msg_data_left(msg); - /* Where to copy to? */ - if (skb_availroom(skb) > 0 && !zc) { - /* We have some space in skb head. Superb! */ - copy = min_t(int, copy, skb_availroom(skb)); - err = skb_add_data_nocache(sk, skb, &msg->msg_iter, copy); - if (err) - goto do_fault; - } else if (!zc) { + if (!zc) { bool merge = true; int i = skb_shinfo(skb)->nr_frags; struct page_frag *pfrag = sk_page_frag(sk); @@ -1416,7 +1409,6 @@ out_nopush: do_error: skb = tcp_write_queue_tail(sk); -do_fault: tcp_remove_empty_skb(sk, skb); if (copied + copied_syn) |