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Fri, 23 Oct 2026 07:50:13 -0700 (PDT) Received: from localhost (2620:10d:c0a8:1b::30) by mail.thefacebook.com (2620:10d:c0a9:6f::237c) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.56; Fri, 23 Oct 2026 14:50:12 +0000 From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Jens Axboe CC: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , , Subject: [PATCH] io_uring/net: Remove useless min_not_zero() usage Date: Fri, 23 Oct 2026 07:49:52 -0700 Message-ID: <20261023144953.3584118-1-cleger@meta.com> X-Mailer: git-send-email 2.53.0 X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: N1cR58WM3BlUZOydOBDlZQDsmvhu3j2j X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDA1NyBTYWx0ZWRfXxyVfojqUFVoN rXDvTFiVPiCJSUNt5wgVXSHIBHJk2nVrn0Bf08pkw9rvbhoQBKQxIlbZToknzJWP0Zkm4rjY4mC HW8OGXjH64NNULXK3YQajAJDFutV/Ks= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIzMDA1NyBTYWx0ZWRfX7nF65pFPNXwh krjU4HoLdV+hAOWf5eONww2pVSBNCggCvBdyxBK/07LT5keNPQMi17uF1ZockgeIEyc6UdsFNV9 C1xuyfhWnkjorfQtCYqp8KwhCkj2QPDi3tqKvK1ZPEt8taKkDmCdm03xtFxs+aOYmKnQmlHoLUZ 74DV5r4O4B9dq9yAI6+FqOvBMPdXznU8CfjblgzVZYYePsE1vBylqW/LOQMrBSOmy+iuxO9XJOL scQnM2WbI0Sa19OWZDaNDgEi/8FkzrJ8IzgGA+t9xHQajBhpbC3XrqI/hI66FI82OB9d00/m69N gWtqxrM8XsAVE3YjYICrmjh02CpdbXn4XZxYJVbp2evQzNWSK3iMC9uzdWjKyPUFDtK33hh7Vlw b+Et5ETcHvVaCPlvtduFA+tvserQlAyED93Uziqf+SjPFjC8l3SFjqx/3iyRgq46q3y12r6JKe1 jmg+tEF94IH3kncov7w== X-Proofpoint-ORIG-GUID: N1cR58WM3BlUZOydOBDlZQDsmvhu3j2j X-Authority-Analysis: v=2.4 cv=I6zw19gg c=1 sm=1 tr=0 ts=6adb7425 cx=c_pps a=MfjaFnPeirRr97d5FC5oHw==:117 a=MfjaFnPeirRr97d5FC5oHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=M51BFTxLslgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=7x6HtfJdh03M6CCDgxCd:22 a=JnKecZnUtZousrUlYMGU:22 a=VabnemYjAAAA:8 a=CJ9Eo-JWUmPYsR3IkTAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=gKebqoRLp9LExxC7YDUY:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-23_04,2026-10-21_02,2025-10-01_01 In the else arm, sel->val is necessarily 0 so the min_not_zero() actually always returns kmsg->msg.msg_inq. Remove the min_not_zero() usage and replace it with kmsg->msg.msg_inq. Signed-off-by: Clément Léger --- io_uring/net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/io_uring/net.c b/io_uring/net.c index f5f4f3ce6ef3..efc8ea5010ad 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1146,7 +1146,7 @@ static int io_recv_buf_select(struct io_kiocb *req, struct io_async_msghdr *kmsg if (sel->val) arg.max_len = sel->val; else if (kmsg->msg.msg_inq > 1) - arg.max_len = min_not_zero(sel->val, (ssize_t) kmsg->msg.msg_inq); + arg.max_len = kmsg->msg.msg_inq; /* if mshot limited, ensure we don't go over */ if (sr->flags & IORING_RECV_MSHOT_LIM) -- 2.53.0-Meta