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mptcp: drop useless addr_signal clear

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msk->pm.addr_signal is cleared in mptcp_pm_add_addr_signal, no need to
clear it in mptcp_pm_nl_add_addr_send_ack again. Drop it.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2021-03-26 11:26:39 -07:00 committed by David S. Miller
parent 557963c383
commit b65d95adb8
1 changed files with 0 additions and 8 deletions
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8
net/mptcp/pm_netlink.c
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@ -538,7 +538,6 @@ static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
subflow = list_first_entry_or_null(&msk->conn_list, typeof(*subflow), node);
if (subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
u8 add_addr;
spin_unlock_bh(&msk->pm.lock);
pr_debug("send ack for add_addr%s%s",
@ -549,13 +548,6 @@ static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
tcp_send_ack(ssk);
release_sock(ssk);
spin_lock_bh(&msk->pm.lock);
add_addr = READ_ONCE(msk->pm.addr_signal);
if (mptcp_pm_should_add_signal_ipv6(msk))
add_addr &= ~BIT(MPTCP_ADD_ADDR_IPV6);
if (mptcp_pm_should_add_signal_port(msk))
add_addr &= ~BIT(MPTCP_ADD_ADDR_PORT);
WRITE_ONCE(msk->pm.addr_signal, add_addr);
}
}