diff mbox series

[net-next,10/13] mptcp: drop useless addr_signal clear

Message ID 20210326182642.136419-10-mathew.j.martineau@linux.intel.com (mailing list archive)
State Accepted
Commit b65d95adb802b41a501b75ee4646f4a49fc66eb4
Delegated to: Netdev Maintainers
Headers show
Series MPTCP: Cleanup and address advertisement fixes | expand

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netdev/source_inline success Was 0 now: 0
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netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 20 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
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Commit Message

Mat Martineau March 26, 2021, 6:26 p.m. UTC 
From: Geliang Tang <geliangtang@gmail.com>

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>
---
 net/mptcp/pm_netlink.c | 8 --------
 1 file changed, 8 deletions(-)
diff mbox series

Patch

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 56d479b24803..743bd23b1f78 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -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);
 	}
 }