linux-kernel - [PATCH net-next 1/5] mptcp: drop unneeded argument

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Message-Id: <20230414-upstream-net-next-20230414-mptcp-refactor-first-subflow-init-v1-1-04d177057eb9@tessares.net>
Date:   Fri, 14 Apr 2023 16:08:00 +0200
From:   Matthieu Baerts <matthieu.baerts@...sares.net>
To:     mptcp@...ts.linux.dev, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Ondrej Mosnacek <omosnace@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Matthieu Baerts <matthieu.baerts@...sares.net>
Subject: [PATCH net-next 1/5] mptcp: drop unneeded argument

From: Paolo Abeni <pabeni@...hat.com>

After commit 3a236aef280e ("mptcp: refactor passive socket initialization"),
every mptcp_pm_fully_established() call is always invoked with a
GFP_ATOMIC argument. We can then drop it.

Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@...sares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>
---
 net/mptcp/options.c  | 2 +-
 net/mptcp/pm.c       | 4 ++--
 net/mptcp/protocol.h | 2 +-
 net/mptcp/subflow.c  | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 355f798d575a..cd3b885c8faa 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -1001,7 +1001,7 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,
 		clear_3rdack_retransmission(ssk);
 		mptcp_pm_subflow_established(msk);
 	} else {
-		mptcp_pm_fully_established(msk, ssk, GFP_ATOMIC);
+		mptcp_pm_fully_established(msk, ssk);
 	}
 	return true;
 
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index 70f0ced3ca86..78c924506e83 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -126,7 +126,7 @@ static bool mptcp_pm_schedule_work(struct mptcp_sock *msk,
 	return true;
 }
 
-void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp)
+void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk)
 {
 	struct mptcp_pm_data *pm = &msk->pm;
 	bool announce = false;
@@ -150,7 +150,7 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk,
 	spin_unlock_bh(&pm->lock);
 
 	if (announce)
-		mptcp_event(MPTCP_EVENT_ESTABLISHED, msk, ssk, gfp);
+		mptcp_event(MPTCP_EVENT_ESTABLISHED, msk, ssk, GFP_ATOMIC);
 }
 
 void mptcp_pm_connection_closed(struct mptcp_sock *msk)
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index e1310bc113be..a9eb0e428a6b 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -782,7 +782,7 @@ bool mptcp_pm_addr_families_match(const struct sock *sk,
 void mptcp_pm_subflow_chk_stale(const struct mptcp_sock *msk, struct sock *ssk);
 void mptcp_pm_nl_subflow_chk_stale(const struct mptcp_sock *msk, struct sock *ssk);
 void mptcp_pm_new_connection(struct mptcp_sock *msk, const struct sock *ssk, int server_side);
-void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp);
+void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk);
 bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk);
 void mptcp_pm_connection_closed(struct mptcp_sock *msk);
 void mptcp_pm_subflow_established(struct mptcp_sock *msk);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index f46d8f6c40aa..80bbe96c0694 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -850,7 +850,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
 			 */
 			if (mp_opt.suboptions & OPTION_MPTCP_MPC_ACK) {
 				mptcp_subflow_fully_established(ctx, &mp_opt);
-				mptcp_pm_fully_established(owner, child, GFP_ATOMIC);
+				mptcp_pm_fully_established(owner, child);
 				ctx->pm_notified = 1;
 			}
 		} else if (ctx->mp_join) {

-- 
2.39.2