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[34.86.60.15]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e44a9a524esm58256126d6.5.2025.02.11.18.11.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2025 18:11:46 -0800 (PST) From: Willem de Bruijn To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, dsahern@kernel.org, horms@kernel.org, Willem de Bruijn Subject: [PATCH net-next v2 1/7] tcp: only initialize sockcm tsflags field Date: Tue, 11 Feb 2025 21:09:47 -0500 Message-ID: <20250212021142.1497449-2-willemdebruijn.kernel@gmail.com> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog In-Reply-To: <20250212021142.1497449-1-willemdebruijn.kernel@gmail.com> References: <20250212021142.1497449-1-willemdebruijn.kernel@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Willem de Bruijn TCP only reads the tsflags field. Don't bother initializing others. Signed-off-by: Willem de Bruijn --- net/ipv4/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 992d5c9b2487..5798a900b7bf 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1127,7 +1127,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size) /* 'common' sending to sendq */ } - sockcm_init(&sockc, sk); + sockc = (struct sockcm_cookie) { .tsflags = READ_ONCE(sk->sk_tsflags)}; if (msg->msg_controllen) { err = sock_cmsg_send(sk, msg, &sockc); if (unlikely(err)) {