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[mptcp-next,2/2] mptcp: drop rendundant test in move_skbs_to_msk()

Message ID 627c15b052e2ecf4a2c6a897a83da7e25db55f32.1622132917.git.pabeni@redhat.com
State New, archived
Headers show
Series mptcp: some smaller cleanup | expand

Commit Message

Paolo Abeni May 27, 2021, 4:53 p.m. UTC
Currently we check the msk state to avoid enqueuing new
skbs at msk shutdown time.

Such test is racy - as we can't acquire the msk socket lock -
and useless, as the caller already checked the subflow
field 'disposable', covering the same scenario in a race
free manner - read and updated under the ssk socket lock.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 net/mptcp/protocol.c | 3 ---
 1 file changed, 3 deletions(-)
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diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index a08ea8867716..4ac55e696f52 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -686,9 +686,6 @@  static bool move_skbs_to_msk(struct mptcp_sock *msk, struct sock *ssk)
 	struct sock *sk = (struct sock *)msk;
 	unsigned int moved = 0;
-	if (inet_sk_state_load(sk) == TCP_CLOSE)
-		return false;
 	__mptcp_move_skbs_from_subflow(msk, ssk, &moved);