[PATCH net-next 1/4] mptcp: avoid unneeded address copy

Matthieu Baerts posted 4 patches 2 years, 10 months ago
There is a newer version of this series
[PATCH net-next 1/4] mptcp: avoid unneeded address copy
Posted by Matthieu Baerts 2 years, 10 months ago
From: Paolo Abeni <pabeni@redhat.com>

In the syn_recv fallback path, the msk is unused. We can skip
setting the socket address.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 net/mptcp/subflow.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index dadaf85db720..a11f4c525e01 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -821,8 +821,6 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
 				goto dispose_child;
 			}
 
-			if (new_msk)
-				mptcp_copy_inaddrs(new_msk, child);
 			mptcp_subflow_drop_ctx(child);
 			goto out;
 		}

-- 
2.39.2