diff options
author | Paolo Abeni <pabeni@redhat.com> | 2022-05-14 03:21:14 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2022-05-16 23:11:31 +0300 |
commit | 0ea5374255a93eee517b76df066a02e301c43fe6 (patch) | |
tree | ad8e939e85a96e306bf9984e4e42f439a37c4ffd | |
parent | c43ce39870b3cff3cefb1faf78c577153edc2dde (diff) | |
download | linux-0ea5374255a93eee517b76df066a02e301c43fe6.tar.xz |
Revert "mptcp: add data lock for sk timers"
This reverts commit 4293248c6704b854bf816aa1967e433402bee11c.
Additional locks are not needed, all the touched sections
are already under mptcp socket lock protection.
Fixes: 4293248c6704 ("mptcp: add data lock for sk timers")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r-- | net/mptcp/protocol.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 9e46cc89a8f7..921d67174e49 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1613,10 +1613,8 @@ void __mptcp_push_pending(struct sock *sk, unsigned int flags) out: /* ensure the rtx timer is running */ - mptcp_data_lock(sk); if (!mptcp_timer_pending(sk)) mptcp_reset_timer(sk); - mptcp_data_unlock(sk); if (copied) __mptcp_check_send_data_fin(sk); } @@ -2529,10 +2527,8 @@ static void __mptcp_retrans(struct sock *sk) reset_timer: mptcp_check_and_set_pending(sk); - mptcp_data_lock(sk); if (!mptcp_timer_pending(sk)) mptcp_reset_timer(sk); - mptcp_data_unlock(sk); } static void mptcp_mp_fail_no_response(struct mptcp_sock *msk) @@ -2711,10 +2707,8 @@ void mptcp_subflow_shutdown(struct sock *sk, struct sock *ssk, int how) } else { pr_debug("Sending DATA_FIN on subflow %p", ssk); tcp_send_ack(ssk); - mptcp_data_lock(sk); if (!mptcp_timer_pending(sk)) mptcp_reset_timer(sk); - mptcp_data_unlock(sk); } break; } @@ -2815,10 +2809,8 @@ static void __mptcp_destroy_sock(struct sock *sk) /* join list will be eventually flushed (with rst) at sock lock release time*/ list_splice_init(&msk->conn_list, &conn_list); - mptcp_data_lock(sk); mptcp_stop_timer(sk); sk_stop_timer(sk, &sk->sk_timer); - mptcp_data_unlock(sk); msk->pm.status = 0; /* clears msk->subflow, allowing the following loop to close @@ -2880,9 +2872,7 @@ cleanup: __mptcp_destroy_sock(sk); do_cancel_work = true; } else { - mptcp_data_lock(sk); sk_reset_timer(sk, &sk->sk_timer, jiffies + TCP_TIMEWAIT_LEN); - mptcp_data_unlock(sk); } release_sock(sk); if (do_cancel_work) @@ -2927,10 +2917,8 @@ static int mptcp_disconnect(struct sock *sk, int flags) __mptcp_close_ssk(sk, ssk, subflow, MPTCP_CF_FASTCLOSE); } - mptcp_data_lock(sk); mptcp_stop_timer(sk); sk_stop_timer(sk, &sk->sk_timer); - mptcp_data_unlock(sk); if (mptcp_sk(sk)->token) mptcp_event(MPTCP_EVENT_CLOSED, mptcp_sk(sk), NULL, GFP_KERNEL); |